With the mighty Dreadtrux threatening to destroy the crater, Ty considers working with D-Structs to save both of their homes.
The Dinotrux investigate when all of the other trux in the crater start running away from a mysterious mountain that may be coming alive.
When the crew is forced to spend a night in the desert to avoid a sandstorm, they wake up the next day without their most important parts.
The Dinotrux return to the crater from their travels to find that D-Structs has taken over and built a huge wall to keep them out.