Physicist Sam Beckett (Scott Bakula) can travel through time, assuming others' identities and correcting past mistakes, but he can't seem to find his way back to his own life -- or even remember it in this Emmy-winning series. In the final season, Sam and his holographic sidekick, Al (Dean Stockwell), continue to look for a way home. Along the way, Sam morphs into Lee Harvey Oswald, Elvis and more. Brooke Shields and Jennifer Aniston guest star.