Plot: 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.
Alternative Plot: During the 1940s, government scientist Dr. Frank Reno (Michael Gross) lost a platoon of American soldiers in a botched time-travel experiment. When a rescue team transports the survivors -- including Reno's brother, Erik (Christopher Atkins) -- from prehistoric times to 2008, they unwittingly allow an uninvited guest to follow them. Now, a desperate group of modern Navy SEALs and their World War II-era counterparts must stop a vicious Tyrannosaurus rex from ravaging the streets of Los Angeles.
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