The Powerpuff Girls Season 2 Episode 6 Slave the Day / Los Dos Mojos >When Bubbles gets hit on the head and knocked out unconscious in battle, she wakes up with amnesia and believes that she is Mojo Jojo. Blossom and Buttercup try to help get her memory back, to no avail, until the real Mojo is able to knock some sense back to Bubbles with a construction bar.