A scientist leads a group of Navy Seals back in time to rescue a team who have been stranded in the Cretaceous period after a failed experiment. However, on returning to modern-day Los Angeles, the time-travellers are followed by a ravenous dinosaur. Sci-fi adventure, starring Michael Gross and Christopher Atkins.

A scientist from the failed Philadelphia Experiment leads a team of Navy SEALs back in time to the Cretaceous Period to rescue the first team he sent back during the 1940s. Things go wildly awry though, when on his return he accidentally brings a giant, man-eating dinosaur back through the portal and into modern-day, downtown Los Angeles.