Trey Parker and Matt Stone have reached a new deal with Comedy Central to extend cable’s longest-running animated series, South Park. The deal for three additional seasons ensures the series will remain in original episodes through 2016, reaching its 20th season. Parker and Stone will continue to write, direct and edit every episode as they have since the premiere of the series in 1997.

South Park, which recently wrapped its 15th season, averaged over 3.5 million viewers per episode during its most recent season, in which it was the #1 show in all of television among Men 18-24 in Wednesday Prime and the #1 show in cable among Adults 18-49, Adults 18-34, Adults 18-24, Men 18-34 and Men 18-24 in Wednesday Prime.