Lupe falls in love with Fanboy after he "saves" her from a spider. Problems arise when she won't stop pestering Fanboy once love-struck.

Prank Day arrives and the boys can't wait to show off their skills. But when Yo can't stop pranking Fanboy, the boys are forced to enlist Boog to help them prank her back.

The boys wind up in the wrong playground and are mistaken for preschoolers. While there, they encounter Marsha, Fanboy's archenemy.

Fanboy worries that he's shrinking, and moves into Yo's dollhouse.

The boys' desks are separated for singing out loud during "Quiet Time", so they try to get reunited.