It 's Always Sunny in Philadelphia ( season 12 ) - wikipedia It 's Always Sunny in Philadelphia ( season 12 ) It 's Always Sunny in Philadelphia ( season 12 ) Promotional poster Country of origin United States No. of episodes 10 Release Original network FXX Original release January 4 ( 2017 - 01 - 04 ) -- March 8, 2017 ( 2017 - 03 - 08 ) Season chronology ← Previous Season 11 Next → Season 13 List of It 's Always Sunny in Philadelphia episodes 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. Contents 1 Cast 1.1 Main cast 1.2 Recurring cast 1.3 Guest stars 2 Production 3 Episodes 4 References 5 External links Cast Main cast Charlie Day as Charlie Kelly Glenn Howerton as Dennis Reynolds Rob McElhenney as Mac Kaitlin Olson as Dee Reynolds Danny DeVito as Frank Reynolds Recurring cast Mary Elizabeth Ellis as The Waitress David Hornsby as Cricket Guest stars Scott Bakula as Scott Bakula Chad L. Coleman as Z David Benioff as Bored Lifeguard # 1 D.B. Weiss as Bored Lifeguard # 2 Lynne Marie Stewart as Mrs. Kelly Dana White as Dana White Megan Olivi as Megan Olivi Donald Cerrone as Donald `` Cowboy '' Cerrone Paul Felder as Paul Felder `` The Irish Dragon '' Lance Barber as Bill Ponderosa Renée Felice Smith as Belle Burnie Burns ( uncredited ) as Man at Bar Production The series was renewed for an eleventh and twelfth season on April 4, 2014, each to consist of 10 episodes. In December 2016, Glenn Howerton revealed the season premiere would be a musical episode. Episodes See also : List of It 's Always Sunny in Philadelphia episodes No. overall No. in season Title Directed by Written by Original air date Prod. code US viewers ( millions ) 125 `` The Gang Turns Black '' Matt Shakman Charlie Day & Glenn Howerton & Rob McElhenney January 4, 2017 ( 2017 - 01 - 04 ) XIP12008 0.730 In this musical episode, an accident involving an electric blanket and a VCR playing The Wiz causes the gang to appear African - American in the mirror and in everyone else 's eyes while their friend ( the old man who appeared at the end of `` Dennis and Mac Move to the Suburbs '' ) vanishes. Now the gang must find a way to reverse the spell while coming face - to - face with the prejudice and discrimination that comes with being black. 126 `` The Gang Goes to a Water Park '' Matt Shakman Eric Ledgin January 11, 2017 ( 2017 - 01 - 11 ) XIP12007 0.574 The gang spends the day at the water park. Dennis teaches a twelve - year - old girl the ways of being a manipulative sociopath, Mac and Dee ( the latter of which is paranoid over how much urine there is in water park water ) get stuck on a water slide, and Frank and Charlie try to go on every ride, including one that 's not open yet, which leads to disastrous results. 127 `` Old Lady House : A Situation Comedy '' Maurice Marable Dannah Phirman & Danielle Schneider January 18, 2017 ( 2017 - 01 - 18 ) XIP12005 0.602 Charlie thinks Mac 's mom is holding his mom hostage so the gang installs spy cameras in their house to monitor what 's going on... and Dennis ends up making their videotaped antics into a sitcom. 128 `` Wolf Cola : A Public Relations Nightmare '' Matt Shakman David Hornsby & Scott Marder January 25, 2017 ( 2017 - 01 - 25 ) XIP12006 0.629 Frank 's Fluids, LLC is in big trouble after a news segment reports that Wolf Cola has become the official drink of Boko Haram instead of Boca Raton. Meanwhile, Mac and Charlie try to promote Fight Milk ( the drink they tried to promote near the end of `` Frank 's Back in Business '' ) which leads to more trouble. 129 5 `` Making Dennis Reynolds a Murderer '' Maurice Marable Conor Galvin February 1, 2017 ( 2017 - 02 - 01 ) XIP12004 0.602 In this send - up of murderer documentaries such as Making a Murderer and The Jinx, Maureen Ponderosa ( who is now almost finished with her operation to turn into an anthropomorphic cat ) is found dead in an alley, and Dennis ( based on his short - lived marriage to her and the growing evidence that he sexually assaults women ) is the prime suspect. 130 6 `` Hero or Hate Crime ? '' Jamie Babbit Charlie Day & Glenn Howerton & Rob McElhenney February 8, 2017 ( 2017 - 02 - 08 ) XIP12002 0.551 The gang goes to three professional arbitrators to decide who 's the rightful owner of a lost scratch - off lottery ticket and prove whether Frank using a homophobic slur against Mac to save him from getting crushed by a piano is considered a heroic act or a hate crime. 131 7 `` PTSDee '' Jamie Babbit Charlie Day & Glenn Howerton & Rob McElhenney February 15, 2017 ( 2017 - 02 - 15 ) XIP12003 0.572 After a male stripper realizes he 's hit rock bottom by sleeping with her, Dee sets out to help the stripper re-evaluate his life. Meanwhile, Mac and Frank get hooked on a VR war game that takes a mental toll on Mac. 132 8 `` The Gang Tends Bar '' Matt Shakman Megan Ganz February 22, 2017 ( 2017 - 02 - 22 ) XIP12009 0.587 It 's Valentine 's Day, and Paddy 's is packed with customers. Dennis demands that the gang actually put in a day 's worth of work, but everyone else would rather try to open a crate that 's in the alley. 133 9 `` A Cricket 's Tale '' Jamie Babbit David Hornsby & Scott Marder March 1, 2017 ( 2017 - 03 - 01 ) XIP12001 0.523 In this episode that connected with the events from `` PTSDee '' and `` The Gang Tends Bar, '' Rickety Cricket is presented with a chance to escape the gang 's toxic influence and recover some of his old life when his estranged father turns up out of the blue to offer him a job with his company, but a strange young woman may complicate things. 134 10 `` Dennis ' Double Life '' Matt Shakman Charlie Day & Glenn Howerton & Rob McElhenney March 8, 2017 ( 2017 - 03 - 08 ) XIP12010 0.640 Dennis discovers that the woman he had sex with during his North Dakota layover on `` The Gang Beats Boggs '' has a child, and Dennis must decide whether to move in with her to raise the kid or leave her a single mother. Meanwhile, Charlie finally has sex with The Waitress and discovers that she 's not as beautiful and charming as he imagines her. References Jump up ^ Pedersen, Erik ( November 7, 2016 ). `` ' It 's Always Sunny ' & ' Man Seeking Woman ' Get Return Dates On FXX ''. Deadline. Retrieved November 7, 2016. ^ Jump up to : Fienberg, Dan ( April 4, 2014 ). `` FX renews ' It 's Always Sunny in Philadelphia, ' extends deal with stars ''. HitFix. Retrieved April 4, 2014. Jump up ^ Howerton, Glenn ( December 15, 2016 ). `` Almost time for Season 12. First ep. is a musical. Jan. 4. # sunnyfxx ''. Twitter. Retrieved December 16, 2016. Jump up ^ Welch, Alex ( January 5, 2017 ). `` Wednesday cable ratings : ' Vikings ' rises as NBA lands on top ''. TV by the Numbers. Retrieved January 5, 2017. Jump up ^ Welch, Alex ( January 12, 2017 ). `` Wednesday cable ratings : ' Teen Mom 2 ' scores high, ' Vikings ' holds steady ''. TV by the Numbers. Retrieved January 12, 2017. Jump up ^ Welch, Alex ( January 19, 2017 ). `` Wednesday cable ratings : NBA lands on top, ' Six ' makes it premiere ''. TV by the Numbers. Retrieved January 20, 2017. Jump up ^ Welch, Alex ( January 26, 2017 ). `` Wednesday cable ratings : ' The New Edition Story ' wins second night, ' The Magicians ' hits series high ''. TV by the Numbers. Retrieved January 27, 2017. Jump up ^ Welch, Alex ( February 2, 2017 ). `` Wednesday cable ratings : ' Vikings ' holds steady, ' The Magicians ' dips ''. TV by the Numbers. Retrieved February 2, 2017. Jump up ^ Welch, Alex ( February 9, 2017 ). `` Wednesday cable ratings : ' Legion ' premiere brings in strong numbers, ' The Magicians ' holds steady ''. TV by the Numbers. Retrieved February 9, 2017. Jump up ^ Welch, Alex ( February 16, 2017 ). `` Wednesday cable ratings : ' Black Ink Crew ' wins the night, ' Legion ' dips ''. TV by the Numbers. Retrieved February 17, 2017. Jump up ^ Welch, Alex ( February 23, 2017 ). `` Wednesday cable ratings : ' Alaskan Bush People ' ticks up, ' Legion ' ticks up ''. TV by the Numbers. Retrieved February 23, 2017. Jump up ^ Metcalf, Mitch ( March 2, 2017 ). `` UPDATED : SHOWBUZZDAILY 's Top 150 Wednesday Cable Originals & Network Finals : 3.1. 2017 ''. Showbuzz Daily. Retrieved March 3, 2017. Jump up ^ Welch, Alex ( March 9, 2017 ). `` Wednesday cable ratings : ' Underground ' scores strong premiere, ' Legion ' holds steady ''. TV by the Numbers. Retrieved March 9, 2017. External links Official website List of It 's Always Sunny in Philadelphia episodes on IMDb It 's Always Sunny in Philadelphia Characters Charlie Kelly Dennis Reynolds Mac Deandra Reynolds Frank Reynolds The Waitress Seasons 5 6 7 8 9 10 11 12 13 Retrieved from `` https://en.wikipedia.org/w/index.php?title=It%27s_Always_Sunny_in_Philadelphia_(season_12)&oldid=856271894 '' Categories : It 's Always Sunny in Philadelphia 2017 American television seasons Hidden categories : Infobox television season articles that use the season name parameter Talk Contents About Wikipedia Wikiquote Italiano Edit links This page was last edited on 24 August 2018, at 01 : 55 ( UTC ). Text is available under the Creative Commons Attribution - ShareAlike License ; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia ® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization. About Wikipedia

Question: when does season 12 of it's always sunny start
Answer: January 4, 2017