Scandinavia Cruise: Girl of the Midnight Sun/There'll Be Some Changes Made/Too Many Isaacs/Mr. Smith Goes to Stockholm: Part 2

Conclusion: As the Scandinavian cruise continues, Grant (John Davidson) and Ace (Ted McGinley) go to Greta's (Christopher Norris) parents' home for a photo shoot with her. Kay (Susannah York) expresses concern to Doc (Bernie Kopell) about Mel's (Jack Klugman) operation. Dr. Fabian Cain (Telly Savalas) tries out Isaac's (Ted Lange) robot double in public, while the real Isaac goes on a romantic boat ride with Delia Parks (Janet Jackson). Gopher (Fred Grandy) leaves the cruise line to work with Helga (Priscilla Barnes). —Maisie Fleckum