Diff'rent Strokes - Season 2 - Eps 11: Thanksgiving Crossover (I)
The Alders and the Drummonds are together again in New York, and Arnold, Willis and Kimberly plan a second Thanksgiving feast with friends Diane and Ruthie. But even the huge Drummond penthouse isn't big enough to hold the exploding tempers that threaten Phil and Larry's long-standing relationship, on a special one-hour episode featuring the stars of "Hello, Larry." Morgan and all the kids get caught up in the feud when Larry learns friendship doesn't necessarily make for good business. The crossover continues on Hello, Larry S02E10 Thanksgiving Crossover (II).
About Diff'rent Strokes

Title: Diff'rent Strokes
First Air Date: 1978-11-03
Last Air Date: 1986-03-07
Status: Ended
Rating: 7.031/10 (from 276 votes)
Language: EN
Seasons: 9
Total Episodes: 189
Network: ABC NBC
Genres: Comedy, Family, Drama
Production Companies: Norman Lear/Tandem Productions, Embassy Television, Embassy Pictures Corporation, Tandem Productions
Synopsis
The series stars Gary Coleman and Todd Bridges as Arnold and Willis Jackson, two African American boys from Harlem who are taken in by a rich white Park Avenue businessman named Phillip Drummond and his daughter Kimberly, for whom their deceased mother previously worked. During the first season and first half of the second season, Charlotte Rae also starred as the Drummonds' housekeeper, Mrs. Garrett.
Cast

Conrad Bain
Phillip Drummond

Gary Coleman
Arnold Jackson

Todd Bridges
Willis Jackson

Mary Jo Catlett
Pearl Gallagher

Danny Cooksey
Sam McKinney

Mary Ann Mobley
Maggie Drummond