Aired 26 years ago - Oct 28, 1998
Sharon Marsh's Aunt Flo makes her monthly visit and she has present for Stan, a fish. Stan's fish really freaks him out, especially when the dead bodies start piling up. Mrs. Marsh is convinced Stan is doing the killings and begins hiding the bodies. The boys discover there are two Cartmans and a gateway to a parallel universe at the "Indian Burial Ground Pet Store."
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