Elroy Jetson invents a time machine that takes him back to prehistoric times, where he meets the Flintstone family.
as Barney Rubble / Dino / Mr. Spacely (voice)
as Elroy Jetson / W.C. Cogswell / Henry Orbit (voice)
as Astro / R.U.D.I / Mac / Announcer / Store Manager / Robot (voice)
as Fred Flintstone / Knight (voice)
as Iggy (voice)
as Turk Tarpit (voice)
as Betty Rubble / Jet Rivers / Investor / Panelist / Harem Girl (as Julie Dees) (voice)
as George Jetson (voice)
as Jane Jetson (voice)
as Mr. Slate / Moderator / Investor / Poker Player (voice)
as Didi (voice)
as Wilma Flintstone / Rosie / Mrs. Spacely (voice)
as Judy Jetson / Female Computer (voice)
as Dan Rathmoon / Johnny / Mr. Goldbrick (voice)
as (voice)