Retrospective is the eighth and ninth episode of Season 1 of Diff'rent Strokes. The episode was written by Budd Grossman and Howard Leeds and Ben Starr and directed by Herbert Kenwith. It originally aired on December 29, 1978 on NBC. The episode is a one-hour long clip show but was split into two for syndication.
Note: This special one-hour episode features clips from previous shows.
- 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
- It was revealed that Arnold and Willis have stayed with the Drummonds for 56 days in this episode.
- In part one, the episode shows clips of the episodes "Movin' In", "Mother's Last Visit", "The Social Worker" and "Goodbye Dolly".
- In part two, the episode shows clips of the episodes "The Trial", "The Prep School" and "The Spanking".