Mac (Rob McElhenney) wears a RIOT t-shirt in the “Flowers for Charlie” episode of It’s Always Sunny in Philadelphia (Season 9, Episode 6). He also wears the shirt in episodes 7×2, 7×10, 5×8, 4×1 and 4×2.
Mac (Rob McElhenney) wears a RIOT t-shirt in the “Flowers for Charlie” episode of It’s Always Sunny in Philadelphia (Season 9, Episode 6). He also wears the shirt in episodes 7×2, 7×10, 5×8, 4×1 and 4×2.