A widowed father, Tom, and his two teen children, Kevin and younger sister, Annie, find themselves trapped in a parallel universe when their jeep falls into the time portal while exploring the countryside. Together, they must learn to survive in this strange new world filled with dinosaurs, monkey-like people, and aliens.
Starring Timothy Bottoms, Jenny Drugan, Robert Gavin, Ed Gale, Bobby Porter, Shannon Day, Danny Mann, Tom Allard