Elroy Jetson invents a time machine that takes him back to prehistoric times, where he meets the Flintstone family.
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6.6/10Rating on TMDBFrom The Movie Database164 votes
Mel BlancBarney Rubble / Dino / Mr. Spacely (voice)
Daws ButlerElroy Jetson / W.C. Cogswell / Henry Orbit (voice)
Don MessickAstro / R.U.D.I / Mac / Announcer / Store Manager / Robot (voice)
Henry CordenFred Flintstone / Knight (voice)Jon BaumanIggy (voice)
Hamilton CampTurk Tarpit (voice)
Julie McWhirterBetty Rubble / Jet Rivers / Investor / Panelist / Harem Girl (as Julie Dees) (voice)
George O'HanlonGeorge Jetson (voice)
Penny SingletonJane Jetson (voice)
John StephensonMr. Slate / Moderator / Investor / Poker Player (voice)
Brenda VaccaroDidi (voice)
Jean Vander PylWilma Flintstone / Rosie / Mrs. Spacely (voice)
Janet WaldoJudy Jetson / Female Computer (voice)
Frank WelkerDan Rathmoon / Johnny / Mr. Goldbrick (voice)Patric Zimmerman(voice)
