Set in an unspecified future, the film follows the journey of Captain Lee and his crew after they crash land on a planet with similar life conditions as Earth, but millions of years behind in time.

Modern reviews have generally been negative, although there is agreement that the stop motion dinosaurs were the most notable and enjoyable aspect of the film.

After a mechanical failure aboard the spaceship Odyssey, Captain Lee Norsythe is forced to crash land on a planet with atmosphere and conditions much like that of Earth, although it is many light-years away.

En route, Cindy is attacked and killed by an unidentified aquatic creature (that may seem to be a Tylosaurus), prompting Chuck to return to shore without the radio.

Realizing that they are stranded, the remaining eight people aboard the ship decide that survival is their primary goal and begin to explore the planet that they have landed on.

Near a cave higher up in the mountains, Vice-President of Spaceways Incorporated Harvey Baylor discovers a nest full of eggs.

[1] Since most of the budget had been spent creating the stop motion effects, all of the actors had to sign partial deferments for their contracts and at least one actress (Derna Wylde) claims that she never received the balance of what was owed to her.

Reviews of the film were negative, with a particular focus on the acting, dialogue, and overall aesthetic, although the stop motion dinosaurs were generally praised.

When the film was released with a RiffTrax audio commentary in 2010, Steven Biodrowski of Cinefantastique reviewed the movie and called it "pure 1970s camp", but claimed that the dinosaurs "are fun to watch in a nostalgic kind of way".