10 season? 10 seasons?!

Believe it or not, "It's Always Sunny in Philadelphia" returns for its astonishing 10th season this Wednesday. The show's star Charlie Day drops by today to talk with AOL BUILD about the series and what to expect from the latest season of the hilarious hit sitcom. Watch the live stream below.

"It's Always Sunny in Philadelphia" is back on FXX Wednesday, January 14 at 10 p.m. ET.