South Park renewals are about as reliable as The Simpsons renewals, maybe even more so these days with the latter animated family now in the hands of Disney brass. Co-creators Trey Parker and Matt Stone will remain at the helm of their acclaimed series for at least another three seasons as Comedy Central has renewed the show through 2022. But beyond concerns of "cancel culture" and staying relevant in their 23rd season (debuting this September 25th) and beyond, Parker and Stone have other non-South Park plans in mind as well. In a chat with THR about all things …