When does South Park return?

South Park is an American animated sitcom created by Trey Parker and Matt Stone. The series centers around four boys: Stan Marsh, Kyle Broflovski, Eric Cartman and Kenny McCormick. The boys live in the fictional small town of South Park, located within the real-life South Park basin in the Rocky Mountains of central Colorado. South Park has received critical acclaim and is included in various publications' lists of the greatest television shows.
South Park centers around four boys: Stan Marsh, Kyle Broflovski, Eric Cartman and Kenny McCormick. The boys live in the fictional small town of South Park, located within the real-life South Park basin in the Rocky Mountains of central Colorado. South Park frequently features the unique culture of the region, including cattle ranchers, Old West theme parks, snowy climates, mountaineering, Mormons, and many other regionally specific characteristics.