Spawn of Santa/Dead Hard/Periodic Table of Elements/Don't Swallow the Seeds, Silly Toonsylvania : Season 1 Episode 6

Dr. Vic switches Santa Claus' brain with the brain of a bank robber; Fred is sentenced to overnight detention and must escape by traveling through the school's air vent to save his date for the school dance from the school bully; Igor sings about the periodic table; Melissa swallows watermelon seeds, which grow inside her and turn her into a freak.