Release Message:  Mojo Jojo (Roger Jackson) uses the Professor's time machine to go back and prevent him from getting into science at all costs. But Blossom, Bubbles and Buttercup also go back in time and are hot on Mojo's trail.

Description:  It is Career Day at Pokey Oaks, and the Professor shows to the class a time machine and explains how he got into science and created the Powerpuff Girls. But Mojo Jojo overhears everything and uses the machine to go back in time to that specific time period in order to prevent him from getting into science at all costs. But the Powerpuff Girls also go back in time and are hot on Mojo's trail.