Mouse Brain Take-Over

After deciding that he was tired of going to jail, Dr. Two-Brains lets his mouse brain, Squeaky, take over his body completely. As Dr. Two-Brains explains, Squeaky was, indeed, the more evil of the two brains, so when Dr. Two-Brains hands over his job to Squeaky, the grocery store is in a complete state of disaster.

Meanwhile, WordGirl has her own problems to deal with. Problems that include TJ getting a special tour of her secret hideout.