(Synopsis credited to Ninja Turtles.com) While the Rat King searches for food in the sewers, he comes across a canister of mutagen. Thinking that it is nothing, he throws it away and continues to search for food. Rat King soon comes across Bebop and Rocksteady, who were accidentally transported to the sewers by Shredder. They are on Earth to meet two thieves that stole explosives for them. Shredder tells them that while they are in the sewer, they can search for a canister of mutagen that was lost there. The Rat King hears all this and realizes that the canister he threw away was the one with the mutagen in it. He figures he could use the mutagen to make human size rats that will help them get food. While searching for subjects, he comes across Irma and Vernon, who are in the sewer working on a story. He captures them and using the mutagen, turns them into rats. Using his flute to put them under his power, he orders them to go to the surface and bring back food. Meanwhile, April gets w
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