From left, actors Rob McElhenney and Glenn Howerton attend the FX "It's Always Sunny In Philadelphia" panel on Day 5 of Comic-Con International on Sunday, July 21, 2013 in San Diego, Calif. (Photo by ... more 
From left, actors Rob McElhenney and Glenn Howerton attend the FX "It's Always Sunny In Philadelphia" panel on Day 5 of Comic-Con International on Sunday, July 21, 2013 in San Diego, Calif. (Photo by Frank Micelotta/Invision for FX/AP Images) less 
1 / 1
Associated Press
Sun, Jul 21, 2013 8:00 PM EDT