It's Always Sunny in Philadelphia season 10

The tenth season of the American television sitcom series It's Always Sunny in Philadelphia premiered on FXX on January 14, 2015. The season consists of 10 episodes and concluded on March 18, 2015. The tenth season was released on DVD in region 1 on January 5, 2016.

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
• Lance Barber as Bill Ponderosa

• Catherine Reitman as Maureen Ponderosa

• Lynne Marie Stewart as Bonnie

• Sandy Martin as Mrs. Mac

• Gregory Scott Cummins as Luther Mac

• Wade Boggs as Wade Boggs

• Allison Munn as Kelly

• Dominic Burgess as Psycho Pete

• Keegan-Michael Key as Grant Anderson

• Anna Maria Horsford as Janet Barrett

• Dax Shepard as JoJo

Production
The series was renewed for a tenth season (along with its ninth season) on March 28, 2013, and was announced the series would move from FX to its sister channel FXX. The season was originally scheduled to premiere in fall 2014, but was delayed until January 2015. Glenn Howerton said in July 2013 that the series was planned to end after ten seasons, but it was renewed for an 11th and 12th season in April 2014. JD Harmeyer guest-directed a scene in the episode "The Gang Group Dates".

Reception
The tenth season received positive reviews. On Rotten Tomatoes, it has an approval rating of 100% with an average score of 7.9 out of 10 based on 14 reviews. The website's critical consensus reads, "Always Sunny shows no signs of dimming after a decade on the air, refusing to let its status as a television mainstay give it any sheen of respectability as the Gang continues to torment each other for viewers' enjoyment."