At the beach, Dex and Kayla learn to compromise when dinos keep interrupting their “Rock Day.” Along the way, they learn how different prehistoric creatures used rocks
While Dad and Uncle Ravi play football in the park, Dex and Kayla try to figure out if the T. rex will eat other predators by taking turns becoming dino bait in the form of a Velociraptor, a Megaraptor, and, finally, a T. rex itself.
While Mom does a house call at a bird sanctuary, Dex is eager to find out which birds are most like dinosaurs. But when a Megaraptor starts bird hunting, Dex and Kayla must combine their bird and dino knowledge to save the day.
When Dana visits home, Kayla feels left out when Dex chooses to complete his dino experiment with his sister instead of her. Meanwhile, the dino-loving siblings try to figure out why certain Dreadnoughtus group together out of their large herd.
During a backyard campout, Dex and Kayla transform into Nanuqsaurus to investigate how different dinosaurs protect themselves at night from nocturnal predator dinosaurs.
Dex and Kayla join Saara at her internship at an ostrich sanctuary, where Dex hopes to solve Dino Experiment 1016: "What does a T. rex really sound like?” But when an ostrich egg under Saara’s care is dino-napped, it's Dex and Kayla to the rescue!
When Dex and Kayla investigate why a very large Elasmotherium (Siberian Unicorn) is bullying a smaller one, Dad reminisces about one of the times his older brother Ravi bullied him.
Dad and Uncle Ravi are beating Dex and Kayla in a game of whirly-ball, but Dex and Kayla realize they can use prehistoric power to figure out which creature had the strongest ramming force and win the game.
Kayla’s new puppy inspires Dex to tell a story about how he would care for his ideal prehistoric pet, but he isn't sure which would be the best fit: the T.rex, Shuvuuia, or Dire Wolf?