Crop-harvesting dinosaurs are infected by a virus, and Le Sage has stolen the only medicinal plant that can help.

The theft of a dinosaur egg during a special celebration sparks an incident with the Outsiders and Le Sage when it's discovered a dinosaur egg has been switched with that of a T-Rex, which hatches and wreaks havoc at the dinosaur nursery.

Frank arranges a boxing match between David and Alano, one of LeSage's Outsider crew. Meanwhile, Frank and LeSage become friends, and the senate tries to find a way to ban the fight.

Karl discovers a radio in a wrecked ship and manages to get it to work, dreaming of using it as a way to leave Dinotopia. However, no one else agrees with him. Then the radio picks up a distress call from an outside world.

Karl must learn some lessons in love, when a toad, the Wartosa Vulgaris, sends him into a time loop. Stuck in time, he has to keep reliving the same passionate moment with Marion until he gets it right.