Stoned

S2, E23: Disowned by his parents for being unable to do sorcery, the young demon Shosanpu practises on the unsuspecting pilgrims, but is soon found out. After listening to his story, Monkey decides to give him special training, against Tripitaka's wishes. Using Monkey's staff, Shosanpu turns the four pilgrims into stone statues, and goes to fetch his father, Yuzankun. While he's away, the four statues are stolen and taken to an auction. Will Shosanpu find them in time, to change them back?