Ray and Dave learn about the amazing antlers and strange headgear of early hoofed mammals including today's Pronghorn Antelope along with more about the giant Spike Toothed Salmon.

Ray and Dave double down with celebrated paleontologist, science communicator, and author, Scott Sampson. He’s the Executive Director of the California Academy of Sciences in San Francisco, California and is widely known as "Dr. Scott the paleontologist" on the PBS television series, Dinosaur Train