When there are new arrivals at the Dynamo Dome, Derek is convinced that he and Super Dinosaur must drive them away before they learn Dr. Dynamo's secret. Meanwhile, Tricerachops attempts a jail break at Earth Core HQ.
While on a camping trip, Derek, Super Dinosaur, and Dr. Dynamo discover a mysterious Ghost Lizard, who leads them to definitive proof of an undiscovered underground civilization.
When mini-dinosaurs straight from Inner Earth get loose inside the Dynamo Dome, Derek and Super Dinosaur have to catch them before they wreck the whole facility.
When Derek and Super Dinosaur discover that Max Maximus has a plan to create synthetic Dynore, the heroes have to team up with Erin and Eliot for a series of missions to protect the world.