When Dan goes mini-golfing with Cory and his Dad some pesky dinosaurs steal Dan's lucky ball and Dan has to get it back. Dan tells the story of The Three Little Paleontologists Kami, Jordan and Angie and what material would make the best dino-watching fort.
Uncle Jack takes Dan and Trek bowling and Dan protects some Stygimoloch eggs from two hungry Dromaeosauruses. Dan finds a large dinosaur tooth and tries to figure out if it belongs to a T-rex or a Spinosaurus with the help of his vet.
When Grandma takes Dan to the farm, he finds some downy feathers and sets out to prove that it belongs to the Compsognathus. Cory and his Dad build a time machine out of a refrigerator box and it inspires Dan to tell the story of when Time Traveller Cory and his robot D.A.D. travelled to the time of the dinos.