It's Always Sunny in Philadelphia season 8

The eighth season of the American television sitcom series It's Always Sunny in Philadelphia premiered on FX on October 11, 2012. The season consists of 10 episodes, and concluded airing on December 20, 2012.

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
• Artemis Pebdani as Artemis

• Lance Barber as Bill Ponderosa

• Catherine Reitman as Maureen Ponderosa

• Jimmi Simpson as Liam McPoyle

• Nate Mooney as Ryan McPoyle

• Lynne Marie Stewart as Bonnie Kelly

• Sandy Martin as Mrs. Mac

• Brian Unger as The Lawyer

• Richard Ruccolo as Corporate Rep

• Guillermo del Toro as Pappy McPoyle

• Sianoa Smit-McPhee as Bridesmaid

• Alexandra Daddario as Ruby Taft

• Steve Tom as Jameson Taft

• Kerri Kenney as Therapist

• Sean "Diddy" Combs as Dr. Jinx

• Joel Murray as Andrew Kane

Reception
The eighth season received positive reviews. On Rotten Tomatoes, it has an approval rating of 100% with an average score of 7.4 out of 10 based on 14 reviews. The website's critical consensus reads, "Always Sunny's eighth season, holding no greater ambition than to just let the Gang humiliate themselves through a succession of depraved hijinks, excels at its goal with gut-busting results."