In season twelve, Mac, Dennis, Charlie, Dee and Frank tackle all new adventures that include going to a waterpark, dealing with a Wolf Cola PR nightmare, and actually spending a whole day tending bar!
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. Dennis takes on a protégé. Frank and Charlie are determined to ride every ride. Mac and Dee get stuck in a tube slide.
Charlie thinks Mac's mom is holding his mom hostage so the gang installs spy cameras in their house. They discover the moms are quite entertaining once Dennis makes edits to the footage.
Franks Fluids LLC is in big trouble after a news segment. Dee and Dennis help with the PR nightmare and Charlie and Mac work on a scheme to make Fight Milk the official drink of the UFC.
A cat-woman is killed and Dennis becomes the main suspect.
The gang fight over a lottery ticket and seek out an arbitrator to decide a rightful owner, who also decides if Frank is a hero or hate monger.
Dee dates a male stripper and tries to prove her worth after learning she's his "rock bottom." Elsewhere: Mac and Frank get sucked into a VR war game, leading Mac to develop a case 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 after his Wade Boggs layover in North Dakota and the gang try to help him get out of the jam, but their suggestions border on the extreme.