It's the wackiest animated adventure of all space-time when the world's favorite Modern Stone Age Family comes face to face with the First Family of the Future in a matchup that only Hanna-Barbera Studios can delightfully make possible! Thanks to Elroy's malfunctioning tie machine, the Flintstones and Rubbles are zapped into the robot-run future while the Jetsons suddenly find themselves in the dinosaur-filed past. Can our fearless families adapt? And more importantly, will they ever get back home? Find out - in a time-hopping animated feature-length romp packed with all the gags, gadgets and nonstop