Quantum Leap
Catch a Falling Star - May 21, 1979
S2 E10:
Sam (Scott Bakula) becomes an actor in a Broadway production, who must save the lead, a brilliant performer with a drinking problem, from falling on stage and ruining his life and is given the opportunity to court his piano teacher who was his first love when he was fourteen.
Starring
John Cullum, Michelle Pawk, Janine Turner