Is butters dad gay

In "Butters' Very Own Episode", Stephen is revealed to be bi-curious, in that he likes women, but he is seen going to a gay men's bathhouse to perform homosexual activities. After it nearly cost him his family and marriage, he suppressed these urges.

Butters follows his dad as he enters first a gay theater called Studcat Theater with Fisting Firemen 9 playing, then a gay bathhouse called The White Swallow, and has casual sex with men.