South Park | Roger Ebert Should Lay Off the Fatty Foods
Director: Matt Stone, Trey Parker
Cast: Matt Stone, Mona Marshall, Trey Parker
Description: : The kids go on a field trip to the planetarium. All of the children except Cartman are acting weird. As usual Stan and Kyle, with Kenny's sacrifice, try to get to bottom of the mystery. Meanwhile, Cartman wins an appearance on a snack commercial. The four boys get to the root of the strange planetarium.