Trek goes to the beach with Mom and Grandma and is determined to figure out Dino Experiment 410, "How does the Deinosuchus get its food?" Luckily for Trek, he soon sees the Deinosuchus! Trek visits Bobby and his father at Mr. Caparaz's work - a robotics laboratory. Trek spots a Dromaeosaurus guarding its nest outside. Trek sees one of the Dromy's eggs get stolen and enlists the help of multiple robots to return the egg to its nest!

While Trek waits for his loose tooth to fall out, he finds a baby dinosaur tooth in the house and decides to figure out which baby dino it belongs to so that it can get a visit from the Dino Tooth Fairy!

Trek teaches a baby Plesiosaur how to swim across the pool and back to its Mom; Penelope gets stage fright before the school talent show.