Season 4, Episode 5 Permanent Wave

First Aired: October 16, 1991

On a hair-raising leap, Sam is a male hairdresser trying to prevent the killing of a woman and her son, who's a witness to a murder. Laura: Doran Clark. Det. Ward: Harry Groener. Chloe: Lela Ivy. Kyle: Joseph Gordon-Levitt. Ralph: Stephen Kay. Sam: Scott Bakula.

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  • Premiered: March 26, 1989
  • Rating: TV-PG
  • Premise: A time-travel experiment that went wrong sends physicist Sam Beckett back in time, where he assumes other people's identities and helps to resolve the crises of his new hosts. He's assisted in his adventures by Al Calavicci, also known as `The Observer,' w… (more)

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