Di Cristofaro J, Pennarun E, Mazières S, Myres NM, Lin AA, Temori SA, Metspalu M, Metspalu E, Witzel M, King RJ, Underhill PA, Villems R, Chiaroni J

Teleplay: Howard Leeds, Howard Meyers & Mark Miller
Story: Howard Leeds, Martin Cohan & Blake Hunter
Mr. Drummond hires a tutor for Willis and Arnold who has very unorthodox methods for getting them to learn, but with his help he discovers a mental block that prevents Willis from remembering things that happened in 1975, the year his father died.

When a neighbor's pregnancy leads to Arnold asking about where babies come from, he is given conflicting stories from both Willis and Mr. Drummond.
Note: This is the final episode airing on Friday nights during the NBC run. The network moved the show to Wednesday nights until the end of the third season. The show moved to Thursday nights during the fourth season, and to Saturday nights during the fifth to seventh seasons. In the eighth season on ABC, the show aired on Friday nights again.

Willis' friends and Kimberly's schoolmates clash over who gets to do what in the apartment, and ruin Mr. Drummond's date in the process.
Note: Mindy Cohn, Julie Anne Haddock, Kim Fields, and Molly Ringwald appear as their characters from The Facts of Life .

Arnold's prized doll is sold, and Arnold has trouble going to sleep without it, so Mr. Drummond hires a private investigator to track down the doll. The P.I. decides to have a replica made instead, but Arnold knows the difference.

Arnold finds out that several athletes at school are using anabolic steroids, so he goes undercover to expose the full story.
Notes: Peter DeLuise plays one of the athletes. This is the final episode of the show.

Malaspina P, Tsopanomichalou M, Duman T, Stefan M, Silvestri A, Rinaldi B, Garcia O, Giparaki M, Plata E, Kozlov AI, Barbujani G, Vernesi C, Papola F, Ciavarella G, Kovatchev D, Kerimova MG, Anagnou N, Gavrila L, Veneziano L, Akar N, Loutradis A, Michalodimitrakis EN, Terrenato L, Novelletto A

Arnold may have been bitten by a rabid dog, and he tries to do whatever he can to prevent getting rabies shots.
Protestors threaten Arnold and his classmates when they become part of a school integration program.

Ingush 88.8% , Chechens 55.2% , Georgians 21% -72%, Azeris 24% -48% , Iraqis 25%-43.6% and , Uyghurs 34% , Yaghnobis 32% , Uzbeks 30.4% , Greeks 10%-48% Macedonians 15%-49% , Muslim Kurds 28.4%, Lebanese 30% , Ashkenazi Jews 24%-29% , Turks 24% -40% , Hazara 26.6% , Kuwaiti 26% and , Cypriots 12.9% -37% , Abkhaz 25% , Iranians 22.5%-24%, Balkars 24% , Italians 9%-36% and , Armenians 21%-24% , Mordvins 15.3%, Kazan Tatars 15.1%, Chuvash 14%, Sephardi Jews 15% -29% , Ossetians 16%-24%, Circassians 21.8% , Maltese 21% , North Indian Shia Muslims 18% , Palestinians 17% -35%, Albanians 16% -23.5%, Syrians 14% -29%, and Kalash people 9.1%.
Y-chromosomal evidence of the cultural diffusion of agriculture in southeast Europe

Kimberly goes on a ski trip with her friend, but doesn't let the family know that there will be boys there. Mr. Drummond and Willis end up surprising her by paying an unannounced visit, but get surprised themselves when they see the boys.
Arnold and Willis try to get into Mr. Drummond's health club, but are turned away because they are African American. When Drummond is honored by the club, a confrontation takes place.
Willis is hired and fired from a new job all in one day, and tries to hide it from Mr. Drummond since he thinks he'll be disappointed in him.

Eaaswarkhanth M, Haque I, Ravesh Z, Romero IG, Meganathan PR, Dubey B, Khan FA, Chaubey G, Kivisild T, Tyler-Smith C, Singh L, Thangaraj K

Live Mancow's Morning Madhouse session, Chicago

Di Giacomo F, Luca F, Popa LO, Akar N, Anagnou N, Banyko J, Brdicka R, Barbujani G, Papola F, Ciavarella G, Cucci F, Di Stasi L, Gavrila L, Kerimova MG, Kovatchev D, Kozlov AI, Loutradis A, Mandarino V, Mammi' C, Michalodimitrakis EN, Paoli G, Pappa KI, Pedicini G, Terrenato L, Tofanelli S, Malaspina P, Novelletto A

Two preserved, one destroyed in air raid, remainder scrapped.

Sample of "Cherub Rock" from Siamese Dream , which features layers of guitar overdubs influenced by arena rock and shoegazing, as well as repeated use of "the Pumpkin chord".

Arnold is in charge of keeping donations for a fundraising drive at school, but loses the money when he puts it in an old pair of shoes that gets thrown out, so the rest of the family has to dig through the garbage to find them. Fortunately for Arnold, Sam saved the shoes and money from being thrown away.

City of Angels (soundtrack) by various artists

Minister of Foreign Affairs of Guatemala

Arnold gets his first date with a girl he likes, but things turn sour when Dudley butts in on them.

Victor Ernest Shelford William Skinner Cooper Paul Sears

South Australian Railways 1877–1929
Commonwealth Railways 1911–1950

Sam develops a bedwetting problem, and the family begins showing him a lot more attention, which rubs Arnold the wrong way.
Kimberly impresses professional skater Dorothy Hamill with her ice skating, and is taken under her wing. But Kimberly is overwhelmed by the hard work it takes to become a professional skater, and devises a way out.

The Y chromosome pool of Jews as part of the genetic landscape of the Middle East
Saudi Arabian Y-Chromosome diversity and its relationship with nearby regions

Do You Close Your Eyes When You Kiss Me?

Arnold plans to have Dudley run for class president so he can control him behind the scenes. When Arnold sees that Dudley isn't doing things the way he wants him to, he decides to run against him. In the end, both lose out to a third candidate.
Arnold takes up smoking cigarettes to impress the kids at school, but ruins his brand new sweater when he gets burning ashes on it. He then learns the dangers of smoking from Dudley's father, who is in need of surgery because of his habit.

Vice President of the Republic of Guatemala

Sengupta S, Zhivotovsky LA, King R, Mehdi SQ, Edmonds CA, Chow CE, Lin AA, Mitra M, Sil SK, Ramesh A, Usha Rani MV, Thakur CM, Cavalli-Sforza LL, Majumder PP, Underhill PA

Arnold and Willis find a lost watch in the building, but soon become suspects when it's discovered the watch was taken from a burglarized apartment.

Differential Y-chromosome Anatolian Influences on the Greek and Cretan Neolithic

The Alders visit New York in this second crossover with Hello, Larry, as the Drummonds help Larry get a job hosting a talk show.
Note: Basketball player Meadowlark Lemon guest stars.

Story: Patricia Kane and Debra Frank & Scott Rubenstein

Battaglia V, Fornarino S, Al-Zahery N, Olivieri A, Pala M, Myres NM, King RJ, Rootsi S, Marjanovic D, Primorac D, Hadziselimovic R, Vidovic S, Drobnic K, Durmishi N, Torroni A, Santachiara-Benerecetti AS, Underhill PA, Semino O

Arnold and Dudley befriend a bicycle shop owner named Mr. Horton , who is actually a pedophile trying to scope the two unwary boys out.
Note: The show begins with a message from Conrad Bain to discuss child molestation with friends and family.

Y chromosomal haplogroup J as a signature of the post-neolithic colonization of Europe

MacedonianBulgarianGreekRioplatense Spanish

Regueiro M, Cadenas AM, Gayden T, Underhill PA, Herrera RJ

Willis takes the car out without Mr. Drummond's permission in order to pick up Charlene for a date, and gets in trouble when he hits a police officer's motorcycle.

National General Secretary-BJP & Director-India Foundation

Mr. Drummond's mother visits and is surprised when she sees that his new sons are black, so he tries to make her get over her racial prejudices.
Teleplay: Robert Jayson & A. Dudley Johnson, Jr.
When Charlene feels Willis is taking her for granted, she dumps him. Willis soon hears she's seeing another guy and he decides it's time to move on, but Arnold has plans to bring them back together.

Mr. Drummond doesn't want Willis to see his girlfriend Charlene because it's interfering with his schoolwork, so the two make secret arrangements to be together.
Note: Janet Jackson makes her first appearance on the show as Charlene.

To carry out military air operations to advance New Zealand's security interests.

Arnold's beloved goldfish Abraham dies, so the family tries to hide it from him until they can get a replacement. When Arnold becomes suspicious, and happens to notice Mr. Drummond's will, he jumps to the wrong conclusion and thinks that Mr. Drummond is dying.
Willis wants to have his birthday party back in Harlem with his friends, but Mr. Drummond is apprehensive about going there.
When Arnold loses interest in attending church, he tries to find a religion more to his liking, so he decides to convert to Judaism, but is convinced otherwise by a rabbi .

*2× ABA All-Star
* All-ABA Second Team
* ABA All-Rookie First Team

Polycarbonate made from bisphenol A
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Near to Short-wave Infrared Transmittance Spectrum
300px|center
IR transmittance of polycarbonate. Also, polycarbonate is almost completely transparent throughout the entire visible region until 400 nm, blocking UV light

A distant relative visits Arnold and Willis, and when she sees how well they are living, she fakes an injury to overextend her stay.

Player of American and Canadian football

Arnold hopes to become a photojournalist and ends up getting a job at a newspaper, but he becomes disillusioned when he's asked to run errands instead of taking pictures.

*2× ABA All-Star
* All-ABA Second Team
* ABA Rookie of the Year
* ABA All-Rookie First Team
* ABA All-Time Team
* Consensus first-team All-American

Shen P, Lavi T, Kivisild T, Chou V, Sengun D, Gefel D, Shpirer I, Woolf E, Hillel J, Feldman MW, Oefner PJ

Fotografía de Alvaro Arzú Irigoyen tomada en febrero de 2014

Twista at WGCI radio station in Chicago, 2010

Kareem Abdul-Jabbar plays a substitute teacher that makes life hard for Arnold and Dudley, so they try to make things difficult for him in return. When one of their pranks leads to Arnold getting hit by accident, they go to the principal and tell him that it was done on purpose, which gets the teacher in trouble and nearly gets him suspended until Arnold and Dudley come clean about what really happened.

Ancient Migratory Events in the Middle East: New Clues from the Y-Chromosome Variation of Modern Iranians
Afghan Hindu Kush: where Eurasian sub-continent gene flows converge

Teleplay: George Geiger and Ed Jurist & Howard Leeds & Ben Starr & Martin Cohan

to Gostaresh Foulad – return from conscription

Ongoing
*Opposition forces capture Brigade 52, al-Rakham, al-Meleha al-Gharbia, Sakakah and seize parts of al-Thula airbase

Kimberly's job leads to her beginning a modeling career.

Zalloua PA, Xue Y, Khalife J, Makhoul N, Debiane L, Platt DE, Royyuru AK, Herrera RJ, Hernanz DF, Blue-Smith J, Wells RS, Comas D, Bertranpetit J, Tyler-Smith C

Arnold attends Kimberly's ballet recital and decides he wants to learn ballet, which makes Willis very uncomfortable and he tries to put a stop to it.
Note: Actor Roger C. Carmel guest stars.

Origin, Diffusion, and Differentiation of Y-Chromosome Haplogroups E and J: Inferences on the Neolithization of Europe and Later Migratory Events in the Mediterranean Area

After watching an X-rated cartoon at the bike shop, Arnold decides he's had enough of Mr. Horton and goes home, leaving Dudley behind. Arnold lets slip details about his experiences with the seemingly congenial Mr. Horton, and Mr. Drummond calls the authorities. The police arrive just as Mr. Horton is making his move on Dudley , saving their friend from a potentially frightening experience.
Note: Conrad Bain again delivers a message about child molestation at the beginning of the episode. Bain also does a voice over PSA saying "If you know of a problem with child sexual abuse, please contact your local law enforcement or social service agency."

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Kimberly's friend is pregnant, and everyone thinks Kimberly is the one who is expecting.

Arnold and Sam go into business selling roach spray, but Arnold's greed causes Sam to go his own way.
Note: Actor Hervé Villechaize guest stars.

Syrian Arab Republic
* Syrian Armed Forces
* National Defense Force

Office replaced Premier of the Russian SFSR

The Pampas, Córdoba, Chaco, Buenos Aires

Mr. Drummond wants to marry a woman who has plans to send the kids away to boarding school.
Arnold enjoys going out with a classmate, but his friends think she isn't good enough for him and gets him to dump her for a pretty cheerleader.
Lisa's mother takes over teaching Arnold's class, and Lisa forces him and his friends to be nice to her or she'll rat them out to her mom. But Arnold finds out that Lisa's mom doesn't like her telling on her classmates, so he decides to sabotage her science project as revenge.

High frequencies of Y chromosome lineages characterized by E3b1, DYS19-11, DYS392-12 in Somali males
Clinal patterns of human Y chromosomal diversity in continental Italy and Greece are dominated by drift and founder effects

Crude oil washes up on Refugio State Beach

Arnold attempts to steal an expensive comic book to get into the Gooch's club, and gets taken to court when he's caught.

Al-Zahery N, Semino O, Benuzzi G, Magri C, Passarino G, Torroni A, Santachiara-Benerecetti AS

A fast-talking baseball coach woos Willis for a high school team, and uses expensive gifts and deception to attain his goal.

Serbia women's national basketball team - EuroBasket Women 2015

Arnold witnesses a robbery and goes to the police, although a threatening phone call forces Mr. Drummond to prevent Arnold's involvement.

[{{Allmusic|class=album|id=r2030682|pure_url=yes}} 2010]

Story: Bruce Taylor, Bob Brunner & Ken Hecht

Ubiquinol-cytochrome c reductase, complex III subunit XI

Haber M, Platt DE, Ashrafian Bonab M, Youhanna SC, Soria-Hernanz DF, Martínez-Cruz B, Douaihy B, Ghassibe-Sabbagh M, Rafatpanah H, Ghanbari M, Whale J, Balanovsky O, Wells RS, Comas D, Tyler-Smith C, Zalloua PA

Mrs. Garrett helps out the girls of the chaotic dormitory at Kimberly's school.
Note: This episode is the pilot for The Facts of Life.

Cadenas AM, Zhivotovsky LA, Cavalli-Sforza LL, Underhill PA, Herrera RJ

A computer error leads to Arnold getting mail to sign up with the Selective Service System, even though he is too young. When Mr. Drummond complains, he is visited by the authorities, leading Arnold to think he will be drafted.

previously on loan at Nassaji Mazandaran

Teleplay: Ed Jurist & Alan Rosen & Fred Rubin
Willis wears a fake mustache to get into a club, and lands a date with the waitress .

http://cricketarchive.com/Players/15/15001/15001.html CricketArchive

Arnold wants to impress Tootie with his "riches" when the Drummond family goes on a trip, so he and Willis go to the bank to make a withdrawal, but the two of them along with Mr. Drummond get trapped during a holdup by robbers. In the end, quick thinking by Arnold and Mr. Drummond saves the day.
Note: Kim Fields guest stars as Tootie.

Arnold is tricked into playing Romeo opposite Lisa's Juliet in a class play. Although Arnold works hard for his performance, Lisa is overcome with stage fright and Arnold has to help her out.
Sam gets into a fight at Hamburger Hangar with a kid who constantly picks on him. Sam later discovers the bully is a foster child and is very jealous of what Sam has.

El-Sibai M, Platt DE, Haber M, Xue Y, Youhanna SC, Wells RS, Izaabel H, Sanyoura MF, Harmanani H, Bonab MA, Behbehani J, Hashwa F, Tyler-Smith C, Zalloua PA

The Wig's Disappointment and the Pumpkin's Temptation

With Arnold's help, Willis gets everyone out of the house so he and his girlfriend Charlene can make love for the first time. However, when the moment occurs, things don't go as smoothly as he expected.

Willis gets the sister of one of his old girlfriends to go out with Arnold by giving her concert tickets. When Arnold finds out, he is angry at what Willis did, but it turns out the girl likes Arnold for real.
Final Appearance of: Todd Bridges.

Y-chromosome and mtDNA polymorphisms in Iraq, a crossroad of the early human dispersal and of post-Neolithic migrations

* NBA champion
* ABA Most Valuable Player
* 4× NBA All-Star
* ABA All-Star
* ABA All-Star Game MVP
* 2× All-NBA First Team
* All-ABA First Team
* 2× All-NBA Second Team
* ABA Rookie of the Year
* ABA All-Rookie First Team
* ABA All-Time Team
* No. 24 retired by Seattle SuperSonics
* Consensus first-team All-American

Mr. Drummond has a good time going out with a hairdresser, but when he doesn't invite her to a posh party, she feels like he is secretly embarrassed by her.

Reza Bacchus

Number of employees=60 UK

Arnold is forced to deal with a bully at school; Mr. Drummond doesn't want him to fight, but Willis thinks fighting is the only option.
Note: This is the first mention of the bully known as "The Gooch", who is often discussed on the show but has never appeared in person.

After Mr. Drummond becomes the target of an extortionist, he hires an imposing female bodyguard to protect his family.

Population Structure in the Mediterranean Basin: A Y Chromosome Perspective

Refugio State Beach near Santa Barbara, California

Arnold tries to help Dudley woo classmate Lisa , but the plan backfires when Lisa thinks Arnold is the one who likes her.
Notes: This is Lisa's first appearance on the show. Dana Plato does not appear in this episode.

Arnold is heartbroken when he finds out he will not do much growing when he gets older, so Mr. Drummond arranges for a business associate's handicapped daughter to show him how fortunate he really is.

Sample of "Ava Adore", the first single from Adore (1998), which emphasizes the band's new electronic music-based sound via the use of drum machines and effects.

When an episode of The A-Team is filmed in the Drummonds' apartment, Arnold has to compete with Mr. T for the affection of Dudley's cousin Angela, so Arnold tries to turn himself into a mini Mr. T, with embarrassing results.
Note: This was Dana Plato's final season as a regular cast member.

Administrative divisions of the Philippines

Arnold pulls a prank at the local burger place in order to get into a club, but his prank causes a mentally challenged worker to get fired, so Arnold tries to make things right.
Story: Jennifer Burton Kurtz & Mitchell Wayne Cohen

to Persepolis – return from conscription

A Predominantly Neolithic Origin for Y-Chromosomal DNA Variation in North Africa

Part 1: Arrangements are being made for the wedding between Mr. Drummond and Maggie, and Maggie becomes furious when she finds out that Mr. Drummond's lawyer suggested a pre-nuptial agreement.

previously on loan at Naft Masjed Soleyman

* ABA champion
* ABA Playoffs MVP
* ABA MVP
* 4× NBA All-Star
* ABA All-Star
* All-NBA First Team
* All-ABA First Team
* ABA All-Time Team
* No. 42 retired by Phoenix Suns
* ABL MVP
* All-ABL First Team

Excavating Y-chromosome haplotype strata in Anatolia

Ceylon National Congress, Sinhala Maha Sabha, Muslim League

Mr. Drummond sneaks around behind the kids' backs while dating his tax attorney , and invites her over to the apartment while the rest of the family's away. But when they return early, Mr. Drummond has to explain her presence.

previously on loan at Esteghlal Khuzestan

Mr. Drummond and Maggie are too busy to spend time together, which has Sam worried that their marriage may be in trouble, so he and Arnold put together a romantic evening for the two of them.
Teleplay: Howard Leeds & Ben Starr & Martin Cohan and Glenn Padnick

Part 2: The wedding is about to take place, until Maggie and Mr. Drummond realize that neither of them called anybody to perform the ceremony.
Note: Wedding guests include Mrs. Garrett, Adelaide, and Aunt Sophia, all of whom hadn't appeared on the show for some time prior to this episode. This is also the only time in which Mr. Drummond's current and previous housekeepers appear together.

Arnold begins having nightmares after he finds out Mr. Drummond is going on a business trip, so a therapist is needed to unlock Arnold's fears.
Part 1: A father who suffers the loss of one of his sons decides to kidnap Sam to replace him.
Teleplay: Ed Jurist & Gordon Mitchell and Hugh Wedlock & Ben Gershman

Di Giacomo F, Luca F, Anagnou N, Ciavarella G, Corbo RM, Cresta M, Cucci F, Di Stasi L, Agostiano V, Giparaki M, Loutradis A, Mammi' C, Michalodimitrakis EN, Papola F, Pedicini G, Plata E, Terrenato L, Tofanelli S, Malaspina P, Novelletto A
Y-chromosome diversity characterizes the Gulf of Oman

Office succeeded by that of Prime Minister of Russia

Willis' friends think that he and Arnold have lost touch with where they came from, so they adopt a more Afro-centric attitude and alienate the rest of the family.
Teleplay: Howard Leeds & Ben Starr & Martin Cohan

A 20-second sample of "Today" from The Smashing Pumpkins' 1993 album, Siamese Dream. This sample illustrates the song's dynamic changes when it moves from the refrain to the first verse.

Arnold's confrontation with the son of the new building manager leads to Mr. Drummond punching the manager in the face, and almost gets the family thrown out of the building.

Grugni V, Battaglia V, Hooshiar Kashani B, Parolo S, Al-Zahery N, Achilli A, Olivieri A, Gandini F, Houshmand M, Sanati MH, Torroni A, Semino O

Story: Howard Leeds & Martin Cohan & Ben Starr

* (Region)
----
* Autonomous region
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Arnold lies to his friends about having sex with a girl, which leads to her deciding to have sex for real – which Arnold isn't ready for.
Arnold is trapped on a ledge 30 stories up after he tries to impress his family, a reporter, and football player Ed "Too Tall" Jones with his magic act.
When Arnold is given the cold shoulder from teachers and classmates at his new school, he concocts a plan to steal the school mascot, a goat, and pretend to rescue it to get some positive attention, but he gets in trouble with the family when the goat gets loose in the apartment.
Willis joins a musical group and wants Charlene to join as well, but Kimberly ends up impressing his bandmates so much that they want her in the group instead.

Comparison of MUTCD-Influenced Traffic Signs

Nasidze I, Ling EY, Quinque D, Dupanloup I, Cordaux R, Rychkov S, Naumova O, Zhukova O, Sarraf-Zadegan N, Naderi GA, Asgary S, Sardas S, Farhud DD, Sarkisian T, Asadov C, Kerimov A, Stoneking M
The Genetic Legacy of Paleolithic Homo sapiens sapiens in Extant Europeans: A Y Chromosome Perspective

Arnold isn't interested in celebrating his birthday because he feels girls aren't interested in him, particularly one girl he really likes, but things change when he invites the girl to his party. However, his intentions aren't made clear and she comes to the party with someone else. Adelaide's last show.

A black-and-white photo of a Caucasian woman leaning forward while holding the ends of a flowing black dress. In the corner, "Adore" is displayed in white handwriting.

The Alders visit the Drummonds in the final Hello, Larry crossover, when Larry and Mr. Drummond argue over a potential business deal.

Kimberly dons a wig for a class play and ends up getting a date with an older man, so Arnold and Willis try to put a stop to it.
Note: Lisa Whelchel and Mindy Cohn guest star as Blair and Natalie, respectively.

The Legendary Traxster, Xcel, DJ Tight Mike, Maxwell Smart, Cozmo, Oddz N Endz, Jonathan Whynock, Lo Key the Producer, Trebo Beatz, P. Flawz, Chris Millionaire, R. Kelly, Twista, C-Sick

When Kimberly submits a candid picture of Arnold with his butt exposed to a photo contest, he is infuriated and demands that Kimberly withdraw it, but the picture remains in the contest by mistake and almost ruins Arnold's chances to win the class election.

Cinnioğlu C, King R, Kivisild T, Kalfoğlu E, Atasoy S, Cavalleri GL, Lillie AS, Roseman CC, Lin AA, Prince K, Oefner PJ, Shen P, Semino O, Cavalli-Sforza LL, Underhill PA

In order to get boxer Muhammad Ali to visit Arnold, Kimberly and Willis tell him that Arnold is dying.
Note: This is the first episode to air on Wednesday nights.

Sample of "Ava Adore", the first single from Adore , which emphasizes the band's new electronic music-based sound via the use of drum machines and effects.

Flag of the Macedonian community in Argentina

King RJ, Ozcan SS, Carter T, Kalfoğlu E, Atasoy S, Triantaphyllidis C, Kouvatsi A, Lin AA, Chow CE, Zhivotovsky LA, Michalodimitrakis M, Underhill PA
Y chromosome genetic variation in the Italian peninsula is clinal and supports an admixture model for the Mesolithic–Neolithic encounter

Australian ARIA Albums Chart number-one album

Teleplay: Ed Jurist and Howard Leeds & Ben Starr & Martin Cohan and Jaie Brashar

Latvia women's national basketball team – EuroBasket Women 2015

Foreign exchange student Carmella faces off against Arnold, develops a crush on Willis, and helps Sam fight the Gooch.
Willis is tired of having Arnold hang around him all the time, so he goes back to Harlem to get away from him - possibly for good.
Sam becomes friends with another kid in the building, but is horrified when he finds out the kid isn't a boy but is a girl . Mr. Drummond convinces him that being friends with a girl isn't so bad, so Sam decides to have her stay the night for a sleepover, which makes both their fathers nervous.
Willis and Arnold set Mr. Drummond up on a blind date, but confusion arises when the dating service thinks Mr. Drummond is black, and he also ends up with a second date for the same night.

Arnold's teacher begins favoring him after she dates Mr. Drummond.
Notes: Arnold's friends Dudley and Robbie appear for the first time. Mobley would eventually take over the role of Mr. Drummond's second wife, Maggie McKinney-Drummond, in the eighth season.

* Municipality
----
* Component city
----

Testing hypotheses of language replacement in the Caucasus: evidence from the Y-chromosome

Teleplay: Martin A. Ragaway and Howard Leeds & Ben Starr & Martin Cohan

Phil bribes a hard-nosed football coach into letting Arnold join the team by buying new uniforms for them, but he regrets his decision when he finds out how the coach is motivating the kids.
Absent: Todd Bridges

Willis lets his potential membership in an exclusive club go to his head, but falls hard when he alienates the club members.
Arnold and Dudley are harassed by two bullies who force them to give them their lunch and money. Willis decides to interfere and gets more than he bargained for.
Mr. Drummond's cousin Anna and her son Hans visit the family. As soon as they arrive, Hans starts causing trouble and blames Arnold and Willis for it.
Arnold needs to submit a story for a journalism contest at school, and when he finds out there's a student selling drugs there, he writes his story about that. The principal soon confronts him about it and tries to get him to expose his sources; when he refuses, the principal has the story withdrawn from the contest. When the situation makes the newspaper, it gets the attention of First Lady Nancy Reagan, who makes a visit to Arnold's school to speak to his class about the dangers of drug use.
Arnold has to ask Carmella for help when his plans for a school talent show fall apart.

June 1997 – March 1998 at Sunset Sound, The Village Recorder, Chicago Recording Company, and various studios

Arnold escapes from the kidnapper and makes it home, but leaves Kimberly behind and can't remember where she is. A policeman helps Arnold remember by hypnotizing him and getting him to reveal the license plate number of the kidnapper so the police can track him down to arrest him. After the police arrested the man, Kimberly and Arnold have reunited with the family and to celebrate Mr. Drummond's birthday party.
Note: Conrad Bain again delivers a message at the beginning, urging kids and their parents to discuss the dangers of hitchhiking, and also does a voice over PSA at the end, saying "If you know of a case of sexual assault or an attempted sexual assault, please contact your local law enforcement agency or emergency medical facility."

Available: 3,253
* 2,300 Airmen
* 640 Officers
* 357 Civilian Staff
* Active Reserve

When Arnold faces a streak of bad luck, he is given a lucky cricket to help him out. Arnold's fortunes soon change, and he tries to use the cricket to get out of trouble with the Gooch, but the cricket escapes and Arnold has to come up with a back-up plan.
Willis' new girlfriend is actually an undercover cop trying to bust drug dealers at school.
Story: Calvin Kelly and Howard Leeds & Ben Starr & Martin Cohan
Arnold is too scared to go to the doctor after he suffers appendicitis, but his fear goes away when he meets a young girl named Alice who is having her tonsils out, and they plan to share a room together in the hospital. However, her father decides against it when he finds out Arnold is black, and Mr. Drummond negates a planned real estate deal he had with him. In order to be together, Arnold and Alice run away, which leads to both families frantically searching for them before Arnold's appendix bursts.

Bullet for My Valentine, Cancer Bats, Glamour of the Kill, Pitchshifter, Rise to Remain, Pop Will Eat Itself, Zoax, Avenged Sevenfold

Geographical Structure of the Y-chromosomal Genetic Landscape of the Levant: A coastal-inland contrast
Nasidze I, Sarkisian T, Kerimov A, Stoneking M

Arnold and Lisa get stuck working together on a school assignment, and get locked in their school's darkroom. This leads to the two of them coming to an understanding about their adversarial relationship, and they both end up liking each other, but it doesn't last.
Note: This is Mary Ann Mobley and Mary Jo Catlett's final appearances on the show.

Paleolithic Y-haplogroup heritage predominates in a Cretan highland plateau

Arnold takes martial arts lessons to defend himself against the Gooch, and gets in trouble when Willis convinces him he has a "killer foot".
Arnold's toy rocket crash lands at the Russian embassy and nearly causes an international incident.

A social worker suggests that Willis and Arnold should live with a black family instead of with the Drummonds, and Arnold gets the impression that Mr. Drummond agrees with that.
Absent: Dana Plato

Southern Front
* First Army
* Usood al-Harb
Jaysh al-Islam

Wells RS, Yuldasheva N, Ruzibakiev R, Underhill PA, Evseeva I, Blue-Smith J, Jin L, Su B, Pitchappan R, Shanmugalakshmi S, Balakrishnan K, Read M, Pearson NM, Zerjal T, Webster MT, Zholoshvili I, Jamarjashvili E, Gambarov S, Nikbin B, Dostiev A, Aknazarov O, Zalloua P, Tsoy I, Kitaev M, Mirrakhimov M, Chariev A, Bodmer WF

The Ecological Relations of the Vegetation on the Sand Dunes of Lake Michigan

Office succeeded by that of President of Russia

Kimberly finds out she'll be getting a trust fund on her 18th birthday, and has plans to travel to Europe. When Mr. Drummond refuses to support her decision and threatens to keep the money from her until she's older, Kimberly plans to work as an au pair for a European family.

A multistep process for the dispersal of a Y chromosomal lineage in the Mediterranean area

Teleplay: Mara Lideks and Howard Leeds & Ben Starr & Martin Cohan
Sam begins to hang out with Willis a lot more than with Arnold, making Arnold feel left out. Meanwhile, Mr. Drummond is enthusiastic about seeing Halley's Comet with the family, but the brotherly feud almost ruins the occasion.

Luis JR, Rowold DJ, Regueiro M, Caeiro B, Cinnioğlu C, Roseman C, Underhill PA, Cavalli-Sforza LL, Herrera RJ

Corgan would sing about his depression throughout the album and "Disarm" would be the clearest example of this.

Arnold and Willis invite their old friends from Harlem to their new Park Avenue home, and let their wealth go to their heads.
Mr. Drummond and Maggie return from their honeymoon, and find out that Arnold had been taking advantage of Sam while they were away.
Arnold and his classmates protest dress code changes at school, but when the principal threatens suspension, Arnold is the only one willing to stand for his beliefs.
Arnold is forced to choose between his friend Robbie and a girl he likes when she accuses Robbie of being a nerd, and Arnold has to judge the matter in student court.
Drummond's building project is discovered to be on the site of an Indian burial ground, which leads to a conflict with a member of the Indian tribe.
Arnold is mugged on his way home from school, and is so traumatized that he begins carrying a knife with him. In order to get him to open up about the incident, Mr. Drummond arranges for a crime-prevention demonstration at his school, but the demonstration becomes too real for Arnold.

Arnold and Kimberly hitchhike to get home for Mr. Drummond's birthday party, and are picked up by a man who takes them to his apartment and tries to have his way with Kimberly.
Note: This episode begins with an introduction from Conrad Bain, who urges kids and their parents to discuss the dangers of hitchhiking.

Office replaced President of the Russian SFSR

NF5 preserved at Pine Creek, Northern Territory

Story: Howard Leeds, Blake Hunter & Martin Cohan

Kimberly plans to move in with her boyfriend, who her dad doesn't like, by tricking the family into thinking she's moving in with her girlfriend instead.
Last appearance as a regular cast member: Dana Plato
Note Starting in the seventh season, Plato becomes a recurring guest star.

Arnold is adamant about not wanting a pesky young girl at his birthday party, but things become serious when he finds out the girl is very sick, so he pays her a visit at the hospital to cheer her up.

Arnold tries to learn the saxophone to impress a girl, but is so bad that his friends try to kick him out of their rock group.
Note: Musician Clarence Clemons guest stars.

Willis tries to negotiate peace between two rival groups of students at his school, but when one of the students, Larry , has his stuff stolen, Willis becomes the prime suspect and is forced to get a gun to protect himself.
Arnold is accused of putting his goldfish Abraham in the hot tub, and he is put on trial by the Drummond family to prove his innocence.

A student in an immigration and naturalization class becomes the suspect in a robbery.
Notes: This episode was a backdoor pilot for a potential series focusing on the immigration and naturalization class, but it was never picked up. The Drummonds have a very small role in this episode. Chao would later play Arnold's teacher, Miss Chung.

Part 2:Teleplay: Dawn Aldredge & Judith Bustany
Willis finds out he has very high stress levels, so Mr. Drummond wants him to lay off on his extracurricular activities, much to Willis' chagrin.
A trip to Disney World is canceled when Mr. Drummond is hospitalized after being hit by a drunk driver in a car accident and gets amnesia. If he cannot recover his memory, Mr. Drummond may lose all of his assets, as well as custody of his children, so his kids try to help him get his memory back. When he starts to remember details about Kimberly and not about Willis and Arnold, they decide to leave and go back to Harlem.
Mr. Drummond goes undercover at his company to find out how his employees really feel about working there.

Al-Zahery N, Pala M, Battaglia V, Grugni V, Hamod MA, Hooshiar Kashani B, Olivieri A, Torroni A, Santachiara-Benerecetti AS, Semino O

Mrs. Garrett experiences a midlife crisis when she feels her life isn't as exciting as her friends' lives, but she soon realizes how much she is needed by the Drummond family.
Story: Louis Smallwood & M. Martez Thomas
Willis saves Arnold's life, so Arnold feels obligated to dote on him constantly. In order to get Arnold off his back, he sets up a fake robbery at his job so Arnold can save him and even the score. When Arnold finds out what Willis is up to, he decides to have a little fun with the "robber", not knowing that a real robber has come to hold up the place.
Arnold and Willis accidentally get locked in the basement of their apartment building, so they recall previous emotional events to pass the time until someone lets them out.
Arnold wants a temporary housekeeper to become his, Willis's, and Kimberly's new mother while Adelaide is away. When Adelaide plans to return early, Arnold gives her the impression that she's being replaced permanently.

Mr. Drummond tries to turn around Sam's losing baseball team; in order to do so, he has to leave Sam on the bench.
Note: Baseball player Lance Parrish guest-stars.

Arnold wants to help a young doorman get started in business, so he loans him some money to bet on a sure thing in a horse race.
Kathy transfers to Arnold's school and is treated very poorly. When she becomes hall monitor, she rules with an iron fist and doles out demerits to everyone except Arnold. When Arnold feels the heat from his friends over getting away with everything, he tries to get Kathy to lighten up, but she refuses and gets tough with Arnold instead.
Story: Robert Jayson & A. Dudley Johnson, Jr.

Abu-Amero KK, Hellani A, González AM, Larruga JM, Cabrera VM, Underhill PA

A classmate of Arnold's is given a lot of attention by the rest of the Drummond family, leaving Arnold to feel unwanted.

Shou WH, Qiao EF, Wei CY, Dong YL, Tan SJ, Shi H, Tang WR, Xiao CJ

When Kimberly tries to get into Willis' all-male letterman's club at school, he gets back at her by becoming a contestant in the school's beauty pageant.

L to R: Paul Hester, Neil Finn, Nick Seymour

Kimberly's new love interest is found out to be a bigot when he won't let his sister go on a date with Willis, so Kimberly comes up with a way to teach him a lesson.

Arredi B, Poloni ES, Paracchini S, Zerjal T, Fathallah DM, Makrelouf M, Pascali VL, Novelletto A, Tyler-Smith C

Willis has trouble making friends at his new school, until it's discovered that his family is rich, so he gets asked to buy marijuana for a party.
Absent: Gary Coleman
Guest Star: Kim Fields as Tootie.
Note: Clarence Gilyard appears in the locker scene.

Story: Howard Meyers, Paul Haggis & Brian K. Moody
Mr. Drummond recommends a woman for a position at his company, but runs into opposition from his coworkers, because of her sex, and his children, because they think she's using him to get the job.
A fire has the family trapped in the building, and when smoke starts coming through the vents, it makes everyone think the end is near.
Arnold and Sam try to keep a children's television show from getting taken off the air.
Sam's scout troop is asked to work with a bunch of senior citizens on projects, but Sam's assigned senior citizen calls Sam a brat and refuses to help, so Sam has to put together a model airplane by himself. Failing to do so, Sam is humiliated by his troopmates and decides he hates all old people, so Mr. Drummond has a talk with the senior to get him to patch things up with Sam.

Mr. Drummond travels to Hollywood and proposes to Maggie, and finds out she has a young son named Sam . Meanwhile, Arnold and Dudley try to meet the star of Knight Rider and sneak into a car on the set that's about to be blown up.
Note: This was Cooksey's first appearance as Sam McKinney, the 6-year-old son of Maggie McKinney. He has a recurring role on the show in this season, and becomes a cast member during the seventh and eighth seasons.

J1-M267 Y lineage marks climate-driven pre-historical human displacements
The Levant versus the Horn of Africa: Evidence for Bidirectional Corridors of Human Migrations

Charles Stewart, Jr. and Charles Stewart, Sr.

Underhill PA, Shen P, Lin AA, Jin L, Passarino G, Yang WH, Kauffman E, Bonné-Tamir B, Bertranpetit J, Francalacci P, Ibrahim M, Jenkins T, Kidd JR, Mehdi SQ, Seielstad MT, Wells RS, Piazza A, Davis RW, Feldman MW, Cavalli-Sforza LL, Oefner PJ

Mr. Drummond makes a last minute bid to run for a local political office.
Note: Nedra Volz joins the cast as the second housekeeper, Adelaide Brubaker. She would appear as a recurring character during the second through fourth seasons.

Arnold enlists a hustler to help him conceal a poor grade from Mr. Drummond, but the ruse becomes increasingly tricky to maintain.
Sam manages to get a popular children's show host for his birthday party, but is disappointed when his friends are more interested in the guest than in him.

Reconstruction of patrilineages and matrilineages of Samaritans and other Israeli populations from Y-Chromosome and mitochondrial DNA sequence Variation

Arnold takes it hard when he hears his mother's voice again on an old audio tape, and tries to pretend to lose the tape permanently.
After a falling out with her father, Charlene moves in with the Drummonds and ends up fighting with Willis.
Teleplay: Louis Smallwood & M. Martez Thomas and Ed Jurist & Gordon Mitchell

Afghanistan's Ethnic Groups Share a Y-Chromosomal Heritage Structured by Historical Events

In this take-off on Ghostbusters, Arnold and Sam explore a haunted house.
Notes: Actors John Astin and Ray Bolger guest star. Starting this season, Danny Cooksey and Dixie Carter join the cast as main regulars. This is also the final season airing on NBC.

* Pittsburgh Pipers/Condors
* Seattle SuperSonics
* Cherry Hill Rookies

Arnold finds out his favorite teacher is moonlighting at a gentlemen's club, and sneaks into the club to find out if it's true.
Maggie and Sam surprise Mr. Drummond for his birthday by having Kimberly return from France to visit him. She brings a present of her own – the Drummond family tree, but the happiness turns to sadness when Mr. Drummond realizes that he is the last person to carry on the Drummond name. Arnold comes up with a solution – he and Willis will have their names legally changed to "Drummond", which makes Mr. Drummond happy, but Willis has second thoughts.

Mr. Drummond tries to make a business deal with exercise instructor Maggie McKinney , and falls in love with her.
Note: This is Carter's first appearance as Maggie McKinney on the show. She was only a guest star in this season and becomes a regular cast member during the seventh season.

Kimberly's hair turns green before a date, due to using a copper bowl affected by acid rain to wash her hair, which gets the Drummond family talking about how to help the environment.
Willis lies to Arnold about knowing first aid in order to get a job at the school carnival, but when Arnold gets an electrical shock, Willis doesn't know how to save him. He later confesses to Arnold what happened, and Arnold is angry when he finds out the truth.

Balanovsky O, Dibirova K, Dybo A, Mudrak O, Frolova S, Pocheshkhova E, Haber M, Platt D, Schurr T, Haak W, Kuznetsova M, Radzhabov M, Balaganskaya O, Romanov A, Zakharova T, Soria Hernanz DF, Zalloua P, Koshel S, Ruhlen M, Renfrew C, Wells RS, Tyler-Smith C, Balanovska E

Mrs. Garrett dates a much younger man, but finds out he's really looking for a mother instead of a lover.

Semino O, Passarino G, Oefner PJ, Lin AA, Arbuzova S, Beckman LE, De Benedictis G, Francalacci P, Kouvatsi A, Limborska S, Marcikiae M, Mika A, Mika B, Primorac D, Santachiara-Benerecetti AS, Cavalli-Sforza LL, Underhill PA

Arnold helps out a streetcorner Santa Claus , who takes advantage of Arnold and his family's kindness by robbing the Drummonds.

Proceedings of the National Academy of Sciences

Willis trades in Mr. Drummond for another man to win an athletic competition.

Capelli C, Redhead N, Romano V, Calì F, Lefranc G, Delague V, Megarbane A, Felice AE, Pascali VL, Neophytou PI, Poulli Z, Novelletto A, Malaspina P, Terrenato L, Berebbi A, Fellous M, Thomas MG, Goldstein DB

Beylerbeylik then Eyalet of the Ottoman Empire

Teleplay: Alan Rosen & Fred Rubin and Michael Russnow
Story: Jennifer Burton Kurtz, Sheila Scott & Diane Schroeder
Maggie's ex-husband wants Sam to stay with him instead of with the Drummonds.
When it looks like Willis and Arnold will legally have to live with Jethro, the truth about him is revealed, and the boys are able to officially become members of Mr. Drummond's family.

Three men are standing in front of posters advertising the band. Man at left is wearing sunglasses, smiling and adjusting his dark jacket. Man in middle is staring to his left and wears a similar dark jacket. Third man is also staring to his left and has a dark jacket.

Sanchez JJ, Hallenberg C, Børsting C, Hernandez A, Morling N

Teleplay: Debra Frank & Scott Rubenstein

from Tractor Sazi – return from conscription

Tony Danza at the 2012 Texas Book Festival.

Mr. Drummond's failure to obtain a business loan causes the family to think they're on the verge of financial ruin, so Arnold and Willis try to put their dad on welfare. However, a man from the welfare office thinks something is fishy and investigates.

Mitochondrial DNA and Y-Chromosome Variation in the Caucasus

Arnold and Willis go into the brownie business, but get in over their heads when they alienate Kimberly and overwork Adelaide, so they're forced to make the brownies themselves.

Parallel Evolution of Genes and Languages in the Caucasus Region

Willis' classmate Larry wants his help to get a date with a girl at school , so Willis gets Kimberly to assist him, but Larry falls in love with her.

First Secretary of the Moscow City Committee of the Communist Party

Wealthy Phillip Drummond prepares to take in two boys from Harlem, Arnold and Willis Jackson , who were the sons of his late housekeeper. Mr. Drummond plans to have the boys live in his Park Avenue apartment with him, his daughter Kimberly , and new housekeeper Edna Garrett . Arnold appreciates Mr. Drummond's offer to take him in, but Willis wants to move back to their former home in Harlem. Arnold helps convince him otherwise.
Note: This episode features the first appearance of Arnold's catchphrase "What'choo talkin' 'bout, Willis?"

Story: Blake Hunter, Howard Leeds & Martin Cohan
Arnold tries to outdo Willis on an arcade game, but constant playing takes a toll on his schoolwork.

National General Secretary-BJP & Director-India Foundation
http://rammadhav.in/

Mr. Drummond enrolls Arnold and Willis at his former school, but the headmaster makes arrangements for them to fail their entrance exams.

Location of Kerlingafjöll within Iceland

Willis' friend, a promising athlete who lost the use of his legs in a car accident, gets a gymnasium named after him and sees a performance by the gold-medal-winning U.S. men's gymnastics team from the 1984 Summer Olympics. After seeing them perform, he becomes self-conscious about the fact that he can never walk again and decides to give up on himself.
Sam has to have his tonsils removed but is afraid to go to the hospital. When Mr. Drummond has to undergo surgery himself, he and Sam try to face their fears together.

Polarity and Temporality of High-Resolution Y-Chromosome Distributions in India Identify Both Indigenous and Exogenous Expansions and Reveal Minor Genetic Influence of Central Asian Pastoralists
Semino O, Magri C, Benuzzi G, Lin AA, Al-Zahery N, Battaglia V, Maccioni L, Triantaphyllidis C, Shen P, Oefner PJ, Zhivotovsky LA, King R, Torroni A, Cavalli-Sforza LL, Underhill PA, Santachiara-Benerecetti AS

A woman becomes a squatter in the Drummonds' house after she is forced out of her apartment due to a condominium conversion Mr. Drummond is involved with.
Story: Rosemary Lee Potter and Phil Margo & Jack Gross

Part 2: Sam manages to call home and tell Arnold where he is by giving him the phone number, and then the police traced it to the kidnapper's location to arrest the kidnapper and Sam came home to be reunited with his family.
Note: This is the first episode to air on ABC. Mary Ann Mobley takes over from Dixie Carter in the role of Maggie.

Capelli C, Brisighelli F, Scarnicci F, Arredi B, Caglia' A, Vetrugno G, Tofanelli S, Onofri V, Tagliabracci A, Paoli G, Pascali VL

Kimberly decides to transfer to Willis' school, and gets into a confrontation when she tries to join the all-male swim team.
Note: Mary Jo Catlett marks her first appearance as Pearl Gallagher, the third and final housekeeper. She was a recurring character during the fifth season and became an official cast member in the sixth season.

Chairman of the Presidium of the Supreme Soviet of the RSFSR

After Willis is hospitalized for trying to stop the bullies, Arnold is asked to participate in a sting operation to nab them. When Mr. Drummond refuses to allow him to participate, Arnold takes matters into his own hands.

The time comes for Mr. Drummond to officially adopt Arnold and Willis, but a junk dealer named Jethro Simpson claims to be their relative and tries to interfere with the adoption in order to obtain an inheritance coming to the boys.
Note: First appearance of Robert Rockwell as Mr. Drummond's lawyer, Tom Bishop.

Nebel A, Filon D, Brinkmann B, Majumder PP, Faerman M, Oppenheim A

Arnold and his friends find out that a white-supremacist group will be speaking on campus, so they decide to interrupt their assembly by throwing rotten food at them. When Mr. Drummond finds out, he objects to Arnold's behavior, saying the group has as much right to speak as everyone else because of the First Amendment. This leads to the rest of the family choosing sides, but soon Arnold comes around and sees things his dad's way.

Y-chromosome distributions among populations in Northwest China identify significant contribution from Central Asian pastoralists and lesser influence of western Eurasians

Willis is forbidden to go to a party when Mr. Drummond finds out there will be drinking there. After Willis disobeys and is caught, he decides to move in with a friend and ends up in a tragic car accident.
Kareem Abdul-Jabbar returns as Arnold's teacher and has Arnold take over teaching the class for one day. Arnold isn't thrilled about the assignment at first, but after reading the assigned book , he gets excited about the opportunity. His classmates, however, give him a hard time.
David Hasselhoff rescues Arnold and Dudley just in time, and the rest of the family find out about Mr. Drummond's marriage plans. Arnold is less than thrilled, especially when he finds out he's getting a new little brother as part of the deal.
Willis has a hard time adjusting to college, so he decides to drop out. However, he changes his mind when he finds out he's not the only one having trouble adjusting.
Mr. Drummond finds out that his ancestor was a slave trader, which affects his plans to build a community center in Harlem.
Story: Howard Leeds, Blake Hunter, Martin Cohan & David W. Duclon
Arnold tries to get Mr. Drummond to adopt Dudley when he finds out his foster father may not be able to keep him.
Mr. Drummond takes Sam and Arnold camping, but is unable to compete with Sam's more-experienced dad.
Arnold, Kimberly, and Willis get jobs at Mr. Drummond's company, but when Willis finds out that minority kids don't have the same opportunities at employment, he goes undercover to see for himself and goes too far.
Story: Dick Clair & Jenna McMahon and Howard Leeds & Ben Starr
Story: Howard Leeds & Ben Starr & Martin Cohan

Y chromosome sequence variation and the history of human populations

Howard Leeds, Blake Hunter & Martin Cohan

Traces of sub-Saharan and Middle Eastern lineages in Indian Muslim populations

In the first of three crossovers with the series Hello, Larry, Mr. Drummond's company buys the radio station where his old war buddy Larry Alder works, so he and his family travel to Portland, Oregon to visit Larry and his two daughters.

Actor,television personality,tap dancer,boxer,teacher

Arnold is pressured to drink by an alcoholic classmate. His parents find out and lay down the law, but when he catches his friend with some of Mr. Drummond's liquor – and is mistakenly accused of using it himself – he has to get his friend to clean himself up.

A girl feigns interest in Arnold so she can get close to Willis.
Note: This is the last episode featuring Charlotte Rae as a cast member. Rae was dismissed from the show and continued her role as Mrs. Garrett on the spin-off "The Facts of Life".

Teleplay: Kurt Taylor and John Donley & Howard Meyers
Willis joins a gang called the Tarantulas, but Mr. Drummond forbids him to associate with them. Unfortunately, Willis defies his orders and eventually finds himself in jail.
Arnold fakes bedwetting to get some attention, but when the secret comes out, Willis decides to play a trick on his brother to get even.

Arnold is made to give up junk food, which is difficult since his school has junk food vending machines, and having them removed may hurt his chances at winning a school election.
Note: Dody Goodman makes her first appearance as Mr. Drummond's sister Sophia. She would make occasional appearances on the show during the third and fourth seasons.

Kimberly stops working at Mr. Drummond's company and takes a job at a burger place, but is sexually harassed by her boss. When he finds out that Kimberly's family is wealthy and live on Park Avenue, he apologizes and ends up becoming romantically involved with her, for the purpose of advancing in her dad's company. Arnold soon learns what he is up to and tells Kimberly.
Budd Grossman, Howard Leeds and Ben Starr

Iran: Tricontinental Nexus for Y-Chromosome Driven Migration

Mr. Drummond trades rooms with Willis while he is busy studying for exams. However, sharing a room with Arnold leads to discomfort for Mr. Drummond, while Arnold finds much humor at his expense.
Arnold hides from Mr. Drummond, so that he will not get spanked for misbehaving, but Willis decides to dole out the punishment himself.
Arnold takes a toy store owner to small claims court over a faulty train engine.

"Sirikotha House", 400 Kotte Road, Pitakotte, Sri Jayawardenapura

A new landlord tries to have the Drummonds thrown out of their penthouse apartment because he doesn't like children.

Arnold gets blamed when food starts disappearing from the house, but he soon discovers that Kimberly, who has developed bulimia, is the culprit.
Final Appearance of: Dana Plato.

Arnold and Sam befriend a street performer, much to Mr. Drummond's dismay. When they try to tell her they can't hang out with her anymore, she begins having an epileptic seizure. At first the two are scared by the incident, but later on they start to make jokes about her condition. When Pearl overhears them, she reveals that she herself is epileptic, which causes the two to patch things up with their friend.
Notes: This is the final episode airing on NBC, which was cancelled due to low ratings. The series was moved to ABC for the eighth season. Dixie Carter does not appear in this episode, and would be dismissed from the series and replaced by Mary Ann Mobley in the eighth season.

The son of a woman Mr. Drummond knew during the Korean War shows up claiming that Mr. Drummond is his father. This leads to a reunion with the woman, and the truth about who the father really is.

Martinez L, Underhill PA, Zhivotovsky LA, Gayden T, Moschonas NK, Chow CE, Conti S, Mamolini E, Cavalli-Sforza LL, Herrera RJ
Tofanelli S, Ferri G, Bulayeva K, Caciagli L, Onofri V, Taglioli L, Bulayev O, Boschi I, Alù M, Berti A, Rapone C, Beduschi G, Luiselli D, Cadenas AM, Awadelkarim KD, Mariani-Costantini R, Elwali NE, Verginelli F, Pilli E, Herrera RJ, Gusmão L, Paoli G, Capelli C

Crowded House in San Francisco, California, 1987.

December 1992 – March 1993 at Triclops Sound Studios in Marietta, Georgia, United States

Story: Howard Leeds, Blake Hunter & Martin Cohen
Teleplay: Ifa Baeza, Bruce Taylor, Howard Meyers & Mark Miller

A tough guy wants Arnold to take care of his girlfriend while he is away, but the girl develops feelings for Arnold.
Note: Jason Hervey makes his first appearance as Arnold's friend, Charlie.

The Beginning Is The End Is The Beginning

Willis is upset when he doesn't make the basketball team because a white student takes his place, so he plans to take legal action.
Notes: Gary Coleman does not appear in this episode. Kim Fields guest stars as Tootie.

In search of the genetic footprints of Sumerians: A survey of Y-chromosome and mtDNA variation in the Marsh Arabs of Iraq
Y-Chromosomal Diversity in Lebanon is Structured by Recent Historical Events

Alternate version of "Appels + Oranjes" / Streeterville demo

Condor of Bermuda, in Brisbane, Australia, under cruising colours in 2004.

A burglar holds the family hostage in the apartment, but is knocked out and arrested. Mr. Drummond, Willis, and Arnold all have different interpretations of what happened, but Pearl, who was in the kitchen and saw everything, tells Kimberly what really took place.
Note: The episode title and plot device of the story are inspired by the movie Rashomon.

The Drummond family recall past events on their first Christmas with Willis and Arnold.
Note: This hour-long clip show was split into two episodes for syndication.

Teleplay: John Donley & Howard Meyers and Bill Shinkai
Arnold gets reassurance from Kathy when he plays Abraham Lincoln in a school play, but when he tries to get her to use her crutches instead of sitting in a wheelchair, she is furious and blows his confidence before showtime.

The Eurasian Heartland: A continental perspective on Y-chromosome diversity