Glenn Howerton shares moment he realized 'It's Always Sunny' was so popular

Glenn Howerton shares moment he realized 'It's Always Sunny' was so popular

Glenn Howerton appeared Thursday night on "The Late Late Show with James Corden," where the actor talked about the moment he realized "It's Always Sunny in Philadelphia" was a success and how he can't walk around Philly or into Irish pubs without fans of the show mobbing him. The 15th season of "Always Sunny" premiered Wednesday night on FXX, cementing it as the longest-running live-action comedy series in American television history.

Glenn Howerton On ‘Always Sunny’ And Why He Hates The Beatles

The ’Always Sunny’ star talked with us about the long-running show and why he’d much rather watch an eight-hour documentary about Pink Floyd