sentences:  He first appeared in "Big Gay Al's Big Gay Boat Ride" in which it was revealed that he is gay.Stan was very upset that Sparky was gay, provoking Sparky to run away to "Big Gay Al's Big Gay Animal Sanctuary", where he would live with other gay animals.He, along with all of the other animals, returned to their owners after the people of South Park learned to become more accepting of homosexuality in animals.