- Reality Subtext: The episode's airing coincided with Glenn Howerton, Rob McElhenney, and Charlie Day releasing their own "celebrity booze", Four Walls Irish American Whiskey.
http://tvtropes.org/pmwiki/pmwiki.php/Trivia/ItsAlwaysSunnyInPhiladelphiaS16E05CelebrityBooze
FollowingTrivia / Its Always Sunny In Philadelphia S 16 E 05 Celebrity Booze
Go To