Posted on: 01.27.2013 When does the seventeenth season start? South Park returns this Fall with 10 all-new episodes! Season 17 kicks off Wednesday, September 25th, 2013 on Comedy Central at 10p/9c. For more on the new season, check out this exclusive New York Times article and interview with Trey and Matt. http://www.nytimes.com/2013/01/28/business/media/south-park-creators-fortify-their-content-empire.html?_r=0 Let the countdown begin!