The Jetsons Meet the Flintstones (1987)

Elroy Jetson invents a time machine that takes his family back to prehistoric times, where they meet the Flintstone family.

Director:

Cast: George O'Hanlon, Henry Corden, Penny Singleton, Jean Vander Pyl, Jon 'Bowzer' Bauman, Mel Blanc, Daws Butler, Hamilton Camp, Julie McWhirter, Don Messick, John Stephenson, Brenda Vaccaro, Janet Waldo, Frank Welker, Patric Zimmerman