Great sites
Mistakes
When Mac and Dennis are talking to Doyle on the bus, watch the background outside of the window. Every time the camera cuts back and forth, the background changes. The most noticeable change is near the end of the scene, when the background changes from trees and shops passing, to suddenly the side of a bridge passing. See more...
Trivia
According to the show's assistant prop manager, there were around 100 "poos" created for this episodes, many of which were made from different materials, including a food thickening agent, sheetrock mud and a cookie dough mixture. See more...
Below is a list of every episode on the site for It's Always Sunny in Philadelphia which has mistakes in it - if your favourite episode's not listed, that just means it's flawless! So far... "All of series 1" and similar entries are those mistakes which apply an entire series, but not across the whole show. They're also counted as episodes, so don't be surprised if the total up top doesn't reflect the actual number of episodes recorded for a show. This list is ordered by series, then episode title by default - click the options below to change the ordering.