Animation Family Sci-Fi TV Movie Comedy
Elroy Jetson invents a time machine that takes him back to prehistoric times, where he meets the Flintstone family.
Directed by
Ray Patterson, Don Lusk
Written by
Arthur Alsberg, Don Nelson
Frank Welker
Dan Rathmoon / Johnny / Mr. Goldbrick (voice)
Mel Blanc
Barney Rubble / Dino / Mr. Spacely (voice)
Brenda Vaccaro
Didi (voice)
John Stephenson
Mr. Slate / Moderator / Investor / Poker Player (voice)
Hamilton Camp
Turk Tarpit (voice)
Don Messick
Astro / R.U.D.I / Mac / Announcer / Store Manager / Robot (voice)
Daws Butler
Elroy Jetson / W.C. Cogswell / Henry Orbit (voice)
George O'Hanlon
George Jetson (voice)
Janet Waldo
Judy Jetson / Female Computer (voice)
Penny Singleton
Jane Jetson (voice)
Henry Corden
Fred Flintstone / Knight (voice)
Jean Vander Pyl
Wilma Flintstone / Rosie / Mrs. Spacely (voice)
Julie McWhirter
Betty Rubble / Jet Rivers / Investor / Panelist / Harem Girl (as Julie Dees) (voice)
Jon Bauman
Iggy (voice)
Patric Zimmerman
(voice)

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