 "Terrance and Phillip in Not Without My Anus" received generally mixed reviews, with some commentators criticizing Parker and Stone for "duping" their viewers and others praising them for taking the risk.The creators cited this episode as their favorite and response to it has become warmer since.The episode begins with an announcement that viewers have waited for weeks for the answer to the mystery "Who Is Cartman's Father", but then points out that the answer will not be revealed in this episode; instead, there is a presentation of an unrelated cartoon titled "Not Without My Anus", starring Terrance and Phillip.