After stan professes his ignorance of the joseph smith story, gary's father begins telling the story of the mormon prophet's vision. Stan questions the proof of the joseph smith story and lets the harrisons know how he feels about their extreme niceness.all about mormons s07tickets for. Fatbeard South Park Park South Park Stan learns about the mormon religion after a new family moves to south park from utah. South park book of mormon episode . Rob reiner receives a letter from the south park parents. But when stan and his dad meet their new mormon neighbors, they become fascinated with how genuinely nice they are. After randy takes sharon to see a hit musical, he becomes broadway's biggest fan. Joseph smith was called a prophet is a song featured in the season seven episode, all about mormons. With trey parker, matt stone, adrien beard, mona marshall. I suppose that makes sense, that this loser is depraved, since to believe the fiction in the book of mormon t...