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 revealing mistake in season 13
Starring: Danny DeVito, Charlie Day, Glenn Howerton, Kaitlin Olson, Rob McElhenney
Genres: Comedy
The Gang Exploits the Mortgage Crisis - S5-E1
Continuity mistake: After Dennis, Charlie and Mac kick apart the family's front door, the amount of damage to the door decreases significantly when Frank begins questioning the lawyer.
The Gang Gets Held Hostage - S3-E4
Trivia: When Frank pulls out the gun on the roof, he says "Yippee-ki-yay Mr. Falcon", a nod to Die Hard 2, the TV version of which infamously had the word "motherfucker" badly dubbed over with "Mr. Falcon."
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?