It’s Always Sunny In Philadelphia: Îles du Salut?

Charlie (Charlie Day) wears t-shirt that says Salvation Islands? in the “Mac and Dennis Buy A Time Share” episode of It’s Always Sunny In Philadelphia (Season 9, Episode 4). The islands are in the Atlantic Ocean in French Guiana. The shirt was also worn in Season 5, Episode 4.

It’s Always Sunny in Philadelphia: Colorado Royal Gorge

Charlie (Charlie Day) wears a Colorado Royal Gorge t-shirt in the “Mac and Dennis Buy A Time Share” episode of It’s Always Sunny in Philadelphia (Season 9, Episode 4). He also wears the shirt in Season 5, Episode 12 and Season 4, Episode 4.

It’s Always Sunny in Philadelphia: Big Bone Lick State Park

Mac (Rob McElhenney) wears  a Big Bone Lick State Park t-shirt in the “Frank Retires” episode of It’s Always Sunny in Philadelphia (Season 10, Episode 9). The state park is located in Kentucky near Cincinnati.

It’s Always Sunny in Philadelphia: San Juan Islands

Charlie (Charlie Day) wears a San Juan Islands t-shirt in “The Gang Broke Dee” episode of It’s Always Sunny in Philadelphia (Season 9, Episode 1). He also wears the shirt in Season 8, Episode 2, Season 7, Episode 1 and Season 6, Episode 7.