My kids watch South parks,  American adult animated sitcom created by Trey Parker and Matt Stone 
Oh cool, I heard of South park show, what is it about?
It show revolves around four boys—Stan Marsh, Kyle Broflovski, Eric Cartman, and Kenny McCormick—and their bizarre adventures
That sounds interesting, do you know when South park show was created?
The Spirit of Christmas", two consecutive animated shorts created in 1992 and 1995.