Much to her dismay, Steph (Jodie Sweetin) finds that her new science class lab partner is Charles (J.D. Daniels), the school's resident goof-off and all-around jerk. But Steph suddenly see Charles in a new light when he lets slip that he has an extremely abusive father--and then swears her to secrecy. Meanwhile, Michelle (the Olsen twins) makes one too many calls to an expensive "dial-a-joke" service; and in his efforts to get his high school diploma, Jesse (John Stamos) works out a curious "half-and-half" arrangement with fellow student Steve (Scott Weinger). ~ Hal Erickson, Rovi