The Allosaurus manages to kill one of the Ceratosaurs pack by disemboweling it, and the fight turns into a game of cat and mouse. A second Ceratosaurus rushes at the Allosaurus, which manages to use his tail to knock it down and then rips out its throat. The third Ceratosaurus withdraws from the fight, causing the Allosaurus to give chase. Venturing into another cave system, the Allosaurs briefly confronts a group of Plesiosaurs in the cave's underground river before he is ambushed by another Ceratosaurus. After a short fight, the Allosaurus dispatches his attacker and hurls the corpse into the water for the Plesiosaurs to feast on.