A group of teens turned into mutant sharks on rollerblades, who battle the evil Dr. Paradigm and protect the Earth. Especially Fission City. Each member is a different kind of shark, and has their own special abilities.
Earth in order to make it more hospitable for the Raptors. They do this by making Mt. Cauldron (a dormant volcano near Fission City) erupt by firing a missile into it so that the heat from it can be trapped in Earth's atmosphere.
S3E23 22 min