100 Million BC

100 Million BC (2008) on 123movies: science fiction and action film starring Michael Gross and Christopher Atkins. Plot summary, full cast and release details. 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.