The Jetsons Meet the Flintstones

The Jetsons Meet the Flintstones follows Elroy Jetson as he invents a time machine that takes him to prehistoric times, where he meets the Flintstone family, including Fred Flintstone and Barney Rubble. The two families become friends, with George Jetson using his futuristic gadgets to help Mr. Slate in a competition at the upcoming company picnic. Meanwhile, Elroy's time machine malfunctions again, sending the Flintstones back to the Stone Age instead of the Jetsons.