It's Always Sunny in Philadelphia is an American comedy series about four friends in their late 20s with clear sociopathic tendencies who run an unsuccessful Irish bar, "Paddy's Pub," in South Philadelphia. The series deals with a variety of controversial topics, including abortion, gun control, physical disabilities, racism, sexism, religion, the Israeli/Palestinian situation, terrorism, transsexuality, slavery, incest, sexual harassment in education, the homeless, statutory rape, drug addiction, pedophilia, child abuse, mental illness, gay rights and dumpster babies.
After an electric heating blanket shorts out while the gang watches the Wiz they look in the mirror and realize they've turned black. They have to figure out how to get back to being themselves by going through all the classic body switch movie shenanigans they encounter.
The gang takes a trip to a local waterpark, ripe with personal agendas and ulterior motives. Dennis feeds off his mantra of "the park provides" and takes on a protégé. Frank and Charlie are determined to ride every ride by any means necessary and Mac and Dee get stuck in a tube slide for most of the day.
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. What they end up discovering is the moms are quite entertaining once Dennis makes some quick edits and adds a laugh track to the surveillance footage. Dee wants in on the new hit show and Frank becomes obsessed with banging Charlie's mom now that he's seen her on TV.
Franks Fluids LLC is in big trouble after a news segment shows Wolf Cola has become the official drink of Boko Haram. Dee and Dennis help with the PR nightmare while Charlie and Mac work on a scheme to make Fight Milk the official drink of the UFC.
An episode filmed in the true crime style of Making a Murderer and The Jinx which begins with 911 call: A cat-woman formerly known as Maureen Ponderosa has been found dead in an alley and Dennis is the prime suspect.
The gang goes to a professional arbitrator to decide who's the rightful owner of a scratch off lottery ticket. While they're there they also try to clear up whether or not the events surrounding the scratcher prove that Frank is a hero or hate monger.
After finding out she's a male stripper's "rock bottom," Dee goes on a mission to prove she's the best thing that ever happened to him. Dennis takes over for the stripper with the help of his bag boy, Charlie. Meanwhile, Mac and Frank get sucked into a VR war game that causes Mac to develop his own case of PTSD.
It's Valentine's Day and Paddy's is packed with customers. Dennis implores the gang to do one day of actual work but everyone else is distracted by a mystery crate Cricket spotted in the alley. Eventually, the gang becomes convinced Dennis really wants them to work on their relationships and everyone shares their grievances without much resolution.
We get to see a typical day in Cricket's world and then a possible redemption when his family intervenes. Will Cricket finally move on from the gang, finding love in the process? Will Cricket go from filthy beast to his former self, Matthew Mara?
Dennis reveals he has a baby from his Wade Boggs layover in North Dakota. Everyone offers a solution for how to get him out of this jam. Mac suggests they pretend to be a couple and Frank wants to make the broad a "decent" proposal b/c $1 million for sex is indecent. In the end, Dennis has to decide which life he wants to continue to lead.