Quantum Leap is an American science fiction television series, created by Donald P. Bellisario, that premiered on NBC and aired for five seasons, from March 26, 1989, to May 5, 1993. The series stars Scott Bakula as Dr. Sam Beckett, a physicist who involuntarily leaps through spacetime during experiments in time travel, by temporarily taking the place of other people to correct what he consistently discovers were historical mistakes.
