Episode Title:Escape from Fort Nigma.Episode Description:Lee and Tina try to figure out a code that he heard in the Parent's Council meeting, while returning the robo-babies. It turns out that Chaz knows what the code means and Barrage has returned as principal, though he doesn't remember anything about the events that occurred before the dance. Barrage takes Lee to the newly improved detention room, where if he can escape, he is free from his original punishment...