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

Arnold's eavesdropping leads to trouble when a misunderstanding causes Willis and him to think that Mr. Drummond no l...

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

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

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

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

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

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

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

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

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

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

A lonely Arnold comes up with a method of gaining his family's attention. Unfortunately his plan works a little too w...

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

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 penthouse.

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

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

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

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

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

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

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

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