4. Bölüm: 4. Bölüm

Bölüm Konusu

A routine visit to the dentist's office becomes a dinosaur experiment when Dan learns how the shape of dinosaur teeth can help prove if the dinosaur was a carnivore or a herbivore. Dan tests the attack patterns of the Dromaeosaurus, Spinosaurus and a T. rex by using a snow Triceratops as a decoy.