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Playback is the fifth episode of the fourth season of Columbo, and the thirtieth episode overall.
Guest Starring: Trisha Noble (Marcy), Oskar Werner (Harold van Wyck), Gena Rowlands (Elizabeth van Wyck), Robert Brown (Arthur Midas), Patricia Barry (Francine), Martha Scott (Margaret Midas), Herbert Jefferson, Jr. (Baxter), Bart Burns (Thompson), Steven Marlo (Policeman), Joe O'Hara (Attendant)
Columbo matches wits with an electronic genius who kills his overbearing mother-in-law and uses his skills with closed-circuit cameras to try and set up an alibi.