Why are people so afraid of clowns? Also Ross' phobia is revealed and he has a difficult conversation with his wife.

https://www.washingtonpost.com/news/wonk/wp/2014/10/30/clowns-are-twice-as-scary-to-democrats-as-they-are-to-republicans/

https://www.britannica.com/list/10-famous-clowns-from-comical-to-creepy

https://scifi.stackexchange.com/questions/131380/was-rorschachs-pagliacci-joke-a-real-joke\

https://en.wikipedia.org/wiki/John_Wayne_Gacy

https://www.britannica.com/story/why-are-people-afraid-of-clowns

https://www.theverge.com/2016/10/7/13191788/clown-attack-threats-2016-panic-hoax-debunked

https://blog.kachinahouse.com/an-exploration-of-hopi-clown-culture/

https://www.smithsonianmag.com/arts-culture/the-history-and-psychology-of-clowns-being-scary-20394516/

https://time.com/5713958/why-are-people-afraid-of-clowns/