Mr. Hankey, the Christmas Poo classic Christmas specials with their own irreverent "South Park" twist, and so they watched the famous 1965 "Peanuts" special, "A Charlie Brown Christmas", repeatedly during the production process. Parker said, "At this point, we just sort of wanted to do a Charlie Brown Christmas "South Park" version. That [special] was definitely a huge part of my life growing up." The episode was considered the first "South Park" musical episode, and included such songs as "Mr. Hankey, the Christmas Poo", "A Lonely Jew on Christmas" and "Kyle's Mom is a Big Fat Bitch". Parker and Stone were initially concerned about making
What a Cartoon! What a Cartoon! Show" was relaunched as "The Cartoon Cartoon Show". In this new format, it aired reruns and new episodes of the full-series Cartoon Cartoons, as well as new Cartoon Cartoon shorts and old "WAC!" shorts. From 2000 to 2001, the pilot shorts appearing on the network's viewer's poll that lost to "The Grim Adventures of Billy & Mandy" and "" (except for "Whatever Happened to... Robot Jones?") were added to the anthology. The show continued to air until October 9, 2003, when it was temporarily dropped from the network's schedule. On September 12, 2005, "The Cartoon Cartoon Show"