The Adoption: Part 1 is the seventh episode of Season 2 of Diff'rent Strokes and the thirtieth episode overall. The episode was written by Alan Rosen and Fred Rubin and directed by Gerren Keith. It originally aired on October 31, 1979 on NBC. The is the first of a two part episode.
Mr. Drummond's plans to officially adopt Arnold and Willis are delayed when a man claiming to be the boys' cousin claims he was promised custody in their father's will.
- Conrad Bain as Phillip Drummond
- Gary Coleman as Arnold Jackson
- Todd Bridges as Willis Jackson
- Dana Plato as Kimberly Drummond
- Charlotte Rae as Edna Garrett
- Whitman Mayo as Jethro Simpson
- Sue Anne Gilfillan as Ms. Harrison
- Stymie Beard as the Man
- James Reynolds as Mr. Payton
- Robert Rockwell as Tom Bishop (credited as Bob Rockwell)