http://www.vulture.com/2013/10/its-always-sunny-in-philadelphia-episode-types.html

Fifteen of the 100 episodes have been devoted to the gang doing something gross with food. PLUS: An appreciation of "It's Always Sunny." (https://medium.com/editors-picks/cac888bc7f8e)
Read more at http://www.hitfix.com/tv-tattle#fAmHYOsgdb70DzHY.99