 The episode was written and directed by series co @-@ creator Trey Parker , and was rated TV @-@ MA L in the United States . The story of Towelie 's addiction is presented as a parody of the reality series Intervention . Parker and fellow co @-@ creator Matt Stone originally planned an Intervention parody around Towelie for the tenth season episode " A Million Little Fibers " , but those plans were eventually scrapped . Several of the handicapped children in " Crippled Summer " are made to resemble characters from the Looney Tunes cartoon series , including Elmer Fudd , Beaky Buzzard , Daffy Duck , Pete Puma , and Porky Pig , as well as non @-@ Looney Tunes characters Droopy and Fat Albert . 
