DescriptionElroy Jetson invents a time machine that takes him back to prehistoric times, where he meets the Flintstone family.
View Full Cast 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)
