Although '' That 's My Bush ! '' , which ran between April – May 2001 , received a fair amount of publicity and critical notice , according to Stone and Parker , the cost per episode was too high , " about $ 1 million an episode . " Comedy Central officially cancelled the series in August 2001 as a cost-cutting move ; Stone was quoted as saying " A super-expensive show on a small cable network ... the economics of it were just not going to work . " Comedy Central continued the show in reruns , considering it a creative and critical success . Parker believed the show would not have survived after the September 11 attacks anyway , and Stone agreed , saying the show would not " play well " . During this time , the duo also signed a deal with Macromedia Shockwave to produce 39 animated online shorts in which they would retain full artistic control ; the result , '' Princess '' , was rejected after only two episodes
September 11 attacks
September 11 attacks
Trey Parker