Danny DeVito, Charlie Day, Kaitlin Olson, Brian Unger, Lance Barber, and Andrew Friedman in It's Always Sunny in Philadelphia (2005)

Charlie Day, Brian Unger, and Gregoer Boru in It's Always Sunny in Philadelphia (2005)

Danny DeVito, Charlie Day, and Kaitlin Olson in It's Always Sunny in Philadelphia (2005)

Charlie Day, Lance Barber, and Andrew Friedman in It's Always Sunny in Philadelphia (2005)

Charlie Day, Rob McElhenney, Kaitlin Olson, and Glenn Howerton in It's Always Sunny in Philadelphia (2005)

Catherine Reitman in It's Always Sunny in Philadelphia (2005)

Danny DeVito, Charlie Day, and Lance Barber in It's Always Sunny in Philadelphia (2005)

Rob McElhenney, Kaitlin Olson, and Glenn Howerton in It's Always Sunny in Philadelphia (2005)

Glenn Howerton in It's Always Sunny in Philadelphia (2005)

Charlie Day in It's Always Sunny in Philadelphia (2005)

Charlie Day, Rob McElhenney, and Glenn Howerton in It's Always Sunny in Philadelphia (2005)

Danny DeVito, Charlie Day, and John F. Beach in It's Always Sunny in Philadelphia (2005)

Police sketch of John F. Beach in It's Always Sunny in Philadelphia and The ANTI-Social Network

Cartoon sketch of John F. Beach with Charlie Day and Glenn Howerton in It's Always Sunny in Philadelphia and The ANTI-Social Network

John F. Beach as Rude Man Who Shushes in It's Always Sunny in Philadelphia and The ANTI-Social Network

John F. Beach in It's Always Sunny in Philadelphia (2005)

"Excuse me sir, there's no alcohol allowed."

Dolph Lundgren and Carlin James in It's Always Sunny in Philadelphia (2005)

Iris Liu as Susan in Episode 1608 of It's Always Sunny in Philadelphia

Charlie Day, Kaitlin Olson, and Andy Buckley in It's Always Sunny in Philadelphia (2005)

Carter MacIntyre and Kaitlin Olson in It's Always Sunny in Philadelphia (2005)

David Hornsby in It's Always Sunny in Philadelphia (2005)

Charlie Day and Glenn Howerton in It's Always Sunny in Philadelphia (2005)

Jamal Mixon, Farley Jackson, Leslie L. Miller, Anthony Hill, and AJ Hudson in It's Always Sunny in Philadelphia (2005)

Danny DeVito, Charlie Day, and Glenn Howerton in It's Always Sunny in Philadelphia (2005)

David Hornsby and Renée Felice Smith in It's Always Sunny in Philadelphia (2005)

Robert Pine in It's Always Sunny in Philadelphia (2005)

David Hornsby and Robert Pine in It's Always Sunny in Philadelphia (2005)

Danny DeVito and Charlie Day in It's Always Sunny in Philadelphia (2005)

Charlie Day, Kaitlin Olson, and Glenn Howerton in It's Always Sunny in Philadelphia (2005)

Danny DeVito and Rob McElhenney in It's Always Sunny in Philadelphia (2005)

Kaitlin Olson in It's Always Sunny in Philadelphia (2005)

Charlie Day and Kaitlin Olson in It's Always Sunny in Philadelphia (2005)

Danny DeVito, Charlie Day, Rob McElhenney, Kaitlin Olson, and Glenn Howerton in It's Always Sunny in Philadelphia (2005)

Danny DeVito, Charlie Day, Rob McElhenney, and Kaitlin Olson in It's Always Sunny in Philadelphia (2005)