Malcolm stays overnight at Stevie's house. He convinces Stevie to sneak out of the house with him and they go to an arcade downtown, but Stevie's wheelchair is stolen, and they have to team up to find his wheelchair while dragging Stevie in a cart. Meanwhile, to prove that he is mature, Lois challenges Reese to give Dewey a bath and put him to sleep in exchange for being allowed to stay up late to watch a scary movie, but the task proves more difficult than he expected, just as Lois thought it would. At the academy, Francis is hazed by a group of students, but tells them their tricks are amateurish to what Lois did to him, and the students decide to worship Lois.

Dewey tries to prove he can take responsibility by taking care of the class hamster for the weekend, his efforts being ignored by his parents who secretly try to wait out possible bad news from Hal's doctor. Meanwhile Reese and Malcolm try to ditch home for a party and Francis has to fight Lavernia, his boss.