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! was given its own series called "Megas XLR". From 2000 to 2003, "The Cartoon Cartoon Show" featured new episodes and reruns of the full-series Cartoon Cartoons, interspersed with premieres and reruns of the Cartoon Cartoon pilot shorts (some of which were retconned "WAC!" shorts). From 2005 to 2008, the block was revived, this time dropping the pilot shorts. Episodes from each show were anthologized into 7 or 11-minute segments. This is a list of shows that were presented on the block: What a Cartoon! What a Cartoon! (later known as The What a Cartoon! Show and The Cartoon Cartoon Show)