"Quantum Leap" Stand Up - April 30, 1959 (TV Episode 1992) - IMDb

In the Quantum Leap Season 4 episode "Stand Up - April 30, 1959," Dr. Sam Beckett (Scott Bakula) leaps into comedian Davey Parker, working alongside partner Mack MacKay (guest star Bob Saget) to evade the mob and save Mack's life. Aired on May 13, 1992, the episode centers on the duo's Borscht Belt comedy act while featuring notable historical inaccuracies regarding a Supergirl reference and the American flag. For full episode details, visit IMDb .