Revealing mistake: As Mac says "I'm very worried about these guys" and exits the bar, there's a shot right through the door and it's not the bar inside at all, just a wall with some pictures on it, much closer to the door than it should be.
It's Always Sunny in Philadelphia (2005)
1 mistake in Charlie's Home Alone
Starring: Danny DeVito, Charlie Day, Glenn Howerton, Kaitlin Olson, Rob McElhenney
Genres: Comedy
Frank Reynolds: We gotta definitely write a song about how we do not diddle kids! "Do not diddle kids, it's no good diddling kids."
Mac: There is no quicker way for people to think that you are diddling kids than by writing a song about it.
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.
Bums: Making a Mess All Over the City - S3-E14
Question: Does the junkyard cat actually belong to one of the actors or is that a whole different deal?