A special feature for the DVD release of the first season featuring interviews with cast and crew.

A special feature for the DVD release of the first season featuring interviews with cast and crew wh...

Multi-millionaire Phillip Drummond, who has agreed to the death-bed wish of his housekeeper to raise...

Arnold's eavesdropping leads to trouble when a misunderstanding causes Willis and him to think that...

Mr. Drummond's socialite and rather snobbish mother arrives and finds there's a lot she doesn't like...

When Mr. Drummond tries to get Arnold and Willis into an exclusive prep school, it turns out to be j...

Arnold ignores warnings and continues to drop water balloons from the balcony. Mr. Drummond's decisi...

When Arnold loses his favorite doll, he makes sure that his misery is shared equally by the various...

When Arnold is in trouble for putting his goldfish in Mr. Drummond's hot tub, Willis insists that it...

Mr. Drummond and family gather around their Christmas tree and recall the many humorous incidents th...

Mr. Drummond and family gather around their Christmas tree and recall the many humorous incidents th...

Willis puts Arnold in training to fight the local bully, but Mr. Drummond insists more civilized sol...

Willis invites his neighborhood club from Harlem to visit, but things get out of hand when he tries...

Mr. Drummond's intention to marry an attractive widow doesn't meet with his children's approval, and...

A lonely Arnold comes up with a method of gaining his family's attention. Unfortunately his plan wor...

LaWanda Page guest stars as a cousin of Willis and Arnold who, after seeing the boys in their comfor...

Drummond hires a tutor for Willis and Arnold who does practically everything but teach.

The kids devise a scheme hoping to make Arnold convince the new landlord to let the family keep the...

To get rid of his pesky little brother, Willis divides the bedroom in half and spends more time at h...

When Mrs. Garrett decides her life as a housekeeper is unfulfilling, she ends up being a guest in th...

In order to earn the money to buy disco skates, and to prove a point to Mr. Drummond, Willis gets a...

The stars of "Diff'rent Strokes" and "Hello, Larry" get together in a special, hilarious hour in whi...

The stars of "Diff'rent Strokes" and "Hello, Larry" get together in a special, hilarious hour in whi...

When Arnold is witness to a hold up, the robber tries to ensure that the youngster will not identify...

Willis is hurt when he thinks his family has forgotten his upcoming birthday. After dropping several...

Mrs. Garrett visits Kimberly's school and takes on its pushy principal with surprising results.

Arnold has appendicitis and Drummond has to deal with the bigotry of Fred Tanner, a potential housin...

Arnold's life is endangered when the kids find out they can't share a room in the hospital and run a...

Arnold's well-intentioned endorsement of Larry Alder's hosting talents to a New York TV big-wig give...

Arnold's well-intentioned endorsement of Larry Alder's hosting talents to a New York TV big-wig give...

The Drummond household's curiosity over Mrs. Garrett's new beau turns first to surprise and then to...

Willis' fishy version of the facts of life leaves Arnold with misconceptions and Mr. Drummond on ten...

Arnold's wildest dream is realized when he comes face-to-knee with ""The Champ"" -- special guest st...

The Drummond family celebrates the day Arnold and Willis are supposed to be officially adopted until...

It appears that Mr. Drummond's attempts to adopt Arnold and Willis will be aborted by a conniving ju...

Willis' cut-throat competitiveness with another boy at his gym leads him to a decision that he will...

The Alders and the Drummonds are together again in New York, and Arnold, Willis and Kimberly plan a...

The Alders and the Drummonds are together again in New York, and Arnold, Willis and Kimberly plan a...

Arnold and Willis' relationship is threatened when a fickle female classmate, the object of Arnold's...

Discovered in the wrong place at the wrong time, Willis and Arnold become prime suspects when their...

Arnold saves a dog's life, is bitten and then the dog is needed to save Arnold. The Drummond househo...

Drummond puts his convictions on the line to run for city council, and rooting him on are Arnold, Wi...

Mr. Drummond is in ""double-trouble"" when Willis and Arnold decide to get him a date. Feeling a lit...

A crucially important business deal keeps Mr. Drummond on edge and Arnold and Willis wondering wheth...

Willis and Arnold scheme to make extra ""dough"" by selling brownies, only to discover they can't st...

The ""Gooch"" is back and this time he's terrorizing Arnold, but Arnold plans to be ready when the b...

Arnold and Willis are trapped in the basement and while they await rescue they reminisce about their...

Kimberly's new beau, Roger, suggests pairing his sister with Willis for a double-date, until he find...

Parent-teacher night leads Mr. Drummond to a romance with Arnold's teacher and poor Arnold to the je...

Leaving Willis in charge of the house for Kimberly's slumber party is a mistake Mr. Drummond soon re...

Arnold fears that his loved ones are checking out of his life when he stumbles upon Drummond's will...

Willis seeks comradeship as a member of the Tarantulas, a street gang, but finds only deceit as he g...

Willis accompanies Arnold as he sets out to withdraw some money from his bank account to pay for his...

Drummond offers himself and his company airplane as hostages to protect Arnold and Willis, but his s...

Arnold has his day in court when an unfortunate ""train"" of events puts him at odds with a less tha...

Arnold falls head-over-heels for a temporary housekeeper and embarks on a romantic scheme he hopes w...

The festive family celebration of Drummond's 50th birthday suddenly becomes a disaster after a drunk...

When Drummond finally comes to, he is suffering from amnesia and unless he can regain his memory, he...

Kimberly's efforts to help a pregnant girl friend, have Willis and Arnold convinced the Kimberly's t...

After Arnold fails to measure up to the demands of the basketball, baseball and volleyball teams, Dr...

Drummond orders Willis to spend more time with his studies and less time with his ""first love,"" bu...

Arnold tries a regimen of stretching exercises and a change of diet to speed his growth, but Drummon...

Arnold learns the true value of a dollar when Drummond turns down his request to lend $4,000 to the...

Willis and Arnold turn the Drummond household upside down as they try to prove to their old Harlem n...

Arnold's poor dental checkup and a visit by Drummond's health-conscious sister, Sophia, launches Dru...

Arnold's excitement at being one of a small group of students in an exchange program with an all-whi...

Through Blair's makeup artistry, 15-year-old Kimberly discovers she can pass for 20, but when she ac...

Arnold's tenth birthday party means a lot to him, but for some reason it means a whole lot more to t...

Arnold's ""famous"" magic disappearing act, designed to impress a magazine reporter and special gues...

Drummond runs into some stiff competition to the candidate he's chosen to head a new division of his...

Drummond and his sister Sophia inherit a prime piece of land in Harlem from a long lost ancestor, bu...

Arnold's dejection at being grounded for a ""D"" on a history test turns to inspiration after an imm...

Dudley, fearing his foster father's lost job means he's headed back to the orphanage, cons Arnold in...

The coach of the city's top high school baseball team is after Willis and is prepared to do anything...

His friends' stories of their sexual exploits convince Willis it's time he ""became a man""--now he...

Willis has the normal jitters on his first day of high school, and in his hurry to make friends, hoo...

Kimberly hopes a summer job will make her more independent, but when it becomes an undreamt chance a...

A happy household is torn by the repercussions of meeting racial quotas -- Drummond faces a lawsuit...

Arnold is elated when he's accepted into an ""elite"" club at school, but his membership could lead...

Arnold's big plans for his first real ""date"" are quickly deflated when parental-imposed restrictio...

Kimberly must face the biggest decision of her life -- whether to spend a ski weekend with a popular...

Arnold and Willis face a puzzling dilemma -- how to tell Drummond that the award he worked so hard f...

Arnold and Willis go on a hunger strike to save a historic landmark when they learn construction by...

Does Drummond have a third son, there's a young man at the door who claims he does and that he is.

When Willis takes his steady girl friend for granted, his selfishness sends her out with another guy...

A cancelled fishing trip leaves Arnold having a series of bad dreams that the entire family loses sl...

Arnold and his friend Kathy face big challenges in their lives and each holds the key to overcoming...

A fire traps Drummond and his family in their penthouse and has him ""working"" overtime trying to p...

Drummond learns the hard way that converting apartments into condominiums can mean hurting lots of i...

When his girl friend plans on taking a drive with someone else, a careless Willis -- refusing to be...

Arnold and his friend Dudley are scared to death by two teenage bullies who pose the intimidating de...

Arnold doesn't know when to leave well enough alone after Willis comes to his rescue, he gets himsel...

Willis' obsession with joining an ""exclusive"" high school club rocks the Drummond household and le...

An adamant Drummond ignores sister Sophia's pleas to get involved in a group effort to combat air po...

Aunt Sophia's matchmaking unites an unsuspecting Drummond with her ""working-class"" hairdresser, bu...

A quick-thinking, fast-acting Willis saves Arnold from a near-fatal accident and in doing so unleash...

Stress is diagnosed as the cause of hard-working Drummond's frequent attacks of pain, but suddenly y...

Willis sets what he's sure is a ""cinch"" audition for girl friend Charlene to sing with his musical...

Arnold feels shortchanged, he's growing older but he's not getting any taller and he's convinced tha...

A famed choreographer encourages Arnold to learn ballet, but his youthful dancing days could be numb...

Arnold is determined to defeat brother Willis at his own game and dethrone him as local video game c...

Willis is completely supportive of Kimberly's transfer into his public school, until his sister's ""...

Arnold's on the outs with his best friend Dudley after he innocently offers to help his bashful budd...

Arnold's got a ""can't lose"" plan for curing a new classmate's loneliness -- sharing big brother Wi...

Willis' personal safety is in jeopardy when his noble attempt to mediate a feud between rival gangs...

Arnold and his buddies fabricate a ""little white lie"" in an attempt to get rid of an overly-consci...

A false I.D. and a false bravado create real problems for Willis and a beautiful ""older"" woman whe...

Arnold must face the bare facts -- his chances of winning a prestigious school election seem despera...

A long lost trunk returned to the boys contains a tape recording of their deceased mother which brin...

Arnold's unexpected confrontation with the new building manager's son leads to a chilling series of...

Willis learns that even a little power in the wrong hands can be dangerous when he oversteps the bou...

Arnold falls innocent victim to a beguiling street-corner Santa who has an ulterior financial motive...

At 16, Willis thinks he's man enough and old enough to ""top"" a few drinks with the guys, but Drumm...

Drummond's plans for a quiet and private weekend ""alone"" don't quite work out as he had intended,...

A new job and a handsome new boss add up to trouble for an innocent Kimberly when her new employer s...

Unaware that he's being lured into the carefully crafted trap of a child molester, Arnold eagerly ag...

Arnold and Dudley's ""friendship"" with a local merchant reaches a dangerous turning point when, unb...

Kimberly is overjoyed when Olympic Gold Medalist Dorothy Hamill sees great promise in her as a compe...

Arnold's good intentions backfire when his efforts to help his handicapped friend Kathy adjust to li...

To try to curb Arnold's run of bad luck, Drummond gives him a pet cricket, but the Japanese ""good l...

The household's turned upside down when Drummond becomes Arnold's roommate for a week.

Determined to prove he didn't fabricate a story about drug abuse in his grade school just to win a j...

Arnold's Romeo is steeped in more turmoil than Shakespeare ever intended when he's tricked by his ""...

School ""thug"" Larry coerces Willis into teaching him how to ""make it"" with girls, but things go...

Arnold's ecstasy over meeting his hero Mr. T goes from elation to emulation when the young girl he's...

Arnold's first day at junior high is emotionally devastating when he's shunned for not measuring up...

Drummond, Willis and Arnold bravely subdue a burglar who had been holding the family at gunpoint, bu...

Willis' seemingly harmless disregard for the truth turns dangerous when a self-serving lie about kno...

When 13-year-old Arnold is notified to register for the draft, Drummond's over reaction to the obvio...

A short visit to the United States by Phillip Drummond's Dutch cousin Anna and her son Hans becomes...

Arnold is disappointed to discover that his favorite teacher moonlights as a cocktail waitress, but...

Kimberly's 18th birthday present from daddy -- a trust fund -- will make her a wealthy woman, but he...

Arnold turns a pal into an opponent when he resigns as Dudley's campaign manager and declares his ow...

Drummond's provided with police protection of a most unusual kind after his charitable philanthrophy...

When Kimberly starts a campaign to open the school's Lettermen's Club to female membership, an embar...

Arnold and Dudley succumb to peer pressure and ignore warnings against cigarette smoking, only to ha...

Arnold unwittingly solves his father's dilemma -- trying to make romance and finance go hand-in-hand...

Kimberly and Arnold break a long-standing family rule and face death when, on their return from a sh...

Hitchhiking leads to kidnapping for Arnold and Kimberly, but Arnold escapes and he is so disoriented...

Upset over Maggie breaking off their relationship, Drummond chases her to Hollywood to win back her...

Arnold's joy over being saved from an explosion by ""Knight Rider's"" David Hasselhoff quickly turns...

Maggie's reaction to a proposed pre-nuptial agreement threatens to hamper Phillip's happiness -- but...

Their family and friends assembled, Phillip and Maggie meet at the altar, only to realize each has m...

Arnold and Pearl fall into a depression when Maggie and Phillip return from their honeymoon with a t...

In a quest for religion started by Maggie and his father, Arnold thinks he has found it after attend...

The money for the National Wheelchair Games that Arnold's class has raised and entrusted to him is m...

Willis and Charlene's budding young love begins to wilt when she moves in as a temporary houseguest...

Blinded by love, Kimberly takes an enormous and deceptive risk when she talks her father into allowi...

When Arnold and Sam creep through the crevices of the neighborhood's haunted house they find the gho...

Arnold thinks the school science fair is the perfect opportunity to sabotage the project of his leas...

The Drummond household is faced with Sam's bed-wetting problem trying everything from scolding to fa...

Willis becomes the middleman in a police effort to halt use and trafficking of drugs at his high sch...

Arnold risks expulsion from school when he leads a strike against some new rules he feels are ""unfa...

Sam must choose between a penthouse apartment and a honky-tonk club when his real father comes knock...

""The Gooch"" returns to taunt Arnold and take on a new target--Sam, only to face his first challeng...

Entrepreneur Arnold reluctantly allows Sam to be a part of his new scheme, when Sam realizes only Ar...

When Arnold is appointed judge of the school court, he is suddenly faced with jeopardizing a longtim...

Drummond's surprise meant to encourage an Olympic hopeful felled by a tragic accident backfires when...

Drummond is a tower of strength for Sam as he prepares to have his tonsils removed, but what will ha...

In order to be elected the entertainment chairman for a school charity fundraiser, Arnold promises t...

Sam persuades a reluctant Mr. Drummond to become the coach of his bad news baseball team and then re...

When Sam visits a taping of ""The Sandy Squirrel Show"" he is overcome by the news his favorite tele...

The Drummonds are concerned when the normally lovable Sam battles with a cynical senior who rejects...

Kimberly returns home from school in Paris to surprise Drummond on his birthday prompting Arnold and...

Sam is taken aback when he realizes his new ""buddy"" is a girl, but Mr. Drummond is even more dumbf...

When Arnold's rocket for his school project is accidentally set off and lands atop the Russian Embas...

Arnold's attempt to stop a friend from drinking backfires as he's left standing in the boy's bathroo...

A camping trip with Arnold and Sam intended to strengthen Drummond's relationship with Sam goes awry...

Arnold is faced with a dilemma when his friends insist he take a cute cheerleader to the dance inste...

When Drummond is accused of being out of touch with his employee, he secretly takes a job in one of...

Although Arnold boasts he held his own in a mugging, Drummond fears the incident goes deeper than Ar...

Arnold and Sam's new friendship with a street performer gets mired in fear and confusion when they d...

A family whose little boy died, forces the father to kidnap Sam, who is shopping for some snacks in...

The Drummonds, desperate to get Sam back, go on the news to try and advertise to get Sam back. In th...

Guarding the school bully's girlfriend, Ramona, seems like a simple task to Arnold, until his natura...

Sam and Arnold fear that the time their parents are spending apart is a symptom of an ailing marriag...

Willis takes a big step when he leave home for college, but fears his initiation to dorm life is onl...

Arnold's dream of becoming an ""overnight"" success as a photo-journalist run headlong into reality...

Kareem Abdul-Jabbar guest stars as a high school English teacher who gives Arnold a ""classic"" puni...

A music instructor ""backs up"" Arnold after he claims to be an expert sax player in order to impres...

Father and son are feuding over First Amendment rights when an outraged Arnold objects to a white su...

Arnold succumbs to peer pressure and boasts he went ""all the way"" with his girlfriend, but his lie...

Drummond has ""insured"" that Sam will have an unforgettable birthday party by arranging for a local...

Arnold's initiation into the ""cool"" club at school jeopardizes his friendship with the mildly-reta...

Arnold suspects that Kimberly has an eating disorder when his slender sister is secretly gorging him...

Arnold's preoccupation with girls and school leaves younger brother Sam alone and bored until Willis...

To prevent Drummond from seeing his ""F"" in geometry, Arnold arranges to have Drummond's signature...

Sam's contempt for a classmate who incessantly insults and badgers him is pacified when he learns th...

A date with a gorgeous girl has Arnold walking on a cloud, until he learns she was bribed by Willis...

Arnold is disgruntled over being partnered with archenemy Lisa in photography class but his frustrat...

Arnold's feature story about his high school football team threatens to turn into a controversial ex...