When Trek and Tristan find a bone in the schoolyard, Dan uses a paper-mache skull in Mrs. Hahn's art class to figure out if it came from the Stygimoloch.
Dan uses the art of disguise to get his Remote Dino Cam into a Triceratops nest but the real test comes when a T-rex threatens the safety of the babies.
While at the park with Uncle Jack, Dan finds a feather that he thinks belongs to a Dromaeosaurus. But, before he can prove it, his dog Doug goes missing.
Jim the Reptile Expert returns to Ms. Carver's class with a Chameleon promoting Dan to question if the Stegosaurus could change the colour of its plates.
In gym class, Dan learns a bit about teamwork and planning from the Dromaeosauruses when he and his friends play Mr. Drumheller in a friendly came of basketball.
Dan, Kami, Jordan and Uncle Jack build a sand castle and learn that some dinos were a lot like construction vehicles. Dan explores dinosaur sounds when he tries to get a Triceratops snort on tape.
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.
While Dan and his friends have a sleepover at the Royal Ontario Museum, Dan has to get a T-rex claw back from some dinosaurs before the museum opens in the morning.