sentences:  In "Cartman's Incredible Gift", after Cartman is hospitalized following an attempt to fly by jumping off a roof with cardboard wings, the Doctor tells his mother that he is "incredibly stupid" and that the stupidity caused the fall.In recent years, South Park has employed a number of unnamed, recurring doctor characters, but Dr.Doctor continues to appear occasionally, including in "Medicinal Fried Chicken" where his actions and mistaken research lead to the return of KFCs and re-illegalization of marijuana.