It's Always Sunny in Philadelphia Season 6 Episode 14
A Very Sunny Christmas: Part 2
In the second part of the Always Sunny Christmas special, Dennis and Dee take Frank to the graveyard to show him his Christmas future. He laughs it off and leaves, but when he gets in a car accident, he has a vision and a change of heart. The gang dismisses his change of heart until they return to the bar to see Frank and his old business partner have decorated the place. Frank gives them all their dream X-Mas presents, but Frank's former partner holds them all at gun point and steals the presents. The episode ends with the whole gang throwing rocks at trains.
Meanwhile, Charlie and Mac try to get back in the Christmas spirit after finding the shocking relationships about their childhood memories. Mac goes to visit a kid, Ricky, whose toy robot he stole as a child. Charlie ends up confronting a Santa at the mall and bites his neck.