Quantum Leap (1989): Season 1, Episode 9

1 - 9: Play It Again, Seymour - April 14, 1953

With looks that could double for Humphrey Bogart, Sam is Nick Allen, a private investigator looking for the murderer of his partner and, if he doesn't find the answer in time, himself. The case is solved with a number of Casablanca references as Sam launches a new pulp novelist along the way.