You may be aware that the creators of South Park, Trey Parker and Matt Stone, also wrote a smash hit musical, The Book of Mormon.
Seriously, it's pretty big. You should know about it.
But even if you don't, we're sure you'll love this crossover of the two put together by genius animator Simon Chong. We have no idea how he captured South Park's style so well but he got it 100%.
Give it a watch above and check out more from Simon on YouTube.