Dr. Paradigm captures Big Slammu to control his mind and the Street Sharks must break into Dr. Paradigm's hideout to save their brother.

The Street Sharks are framed and brought out of hiding by Sharkbot, the robotic machine built by Dr. Paradigm in the last episode. The Street Sharks must once again defend their reputations and take on Sharkbot.

The Street Sharks discover an underground civilization of mutant crocodiles that happen to know Dr. Bolton after he cured them of their damaged genes. Meanwhile, Dr. Paradigm rebuilds Sharkbot and captures one of the mutant crocodiles.