The twelfth season of the American comedy television series It's Always Sunny in Philadelphia premiered on FXX on January 4, 2017. The season consists of 10 episodes and concluded on March 8, 2017.
Cast
Main cast
Charlie Day as Charlie Kelly
Glenn Howerton as Dennis Reynolds
Rob McElhenney as Mac
Kaitlin Olson as Deandra "Dee" Reynolds
Danny DeVito as Frank Reynolds
Recurring cast
Mary Elizabeth Ellis as The Waitress
David Hornsby as Cricket
Guest stars
Production
The series was renewed for an eleventh and twelfth season on April 4, 2014, each to consist of 10 episodes. On December 15, 2016, Glenn Howerton revealed the season premiere would be a musical episode.
Episodes
Reception
The twelfth season received positive reviews. On Rotten Tomatoes, it has an approval rating of 90% with an average score of 8.6 out of 10 based on 21 reviews. The site's critical consensus reads, "Twelve seasons in and It's Always Sunny still shines bright thanks to its willingness to trod into new comedic territory and push the limits of its already limitless characters."