Dad Grades: Frank from It's Always Sunny In Philadelphia The first season of It's Always Sunny featured a four person crew comprised of Mac, Charlie, Dee, and Dennis. When the show was renewed It's Always Sunny in Philadelphia Season 16 Episode 8 Review: Dennis Takes a Mental Health Day It's Always Sunny In Philadelphia Pulled Off A Crazy Dennis Twist Cinemablend The Dennis Reynolds Sex Doll Stole The Show During Charlie Day's Surprise Appearance To Sing Day Man At Portugal. The Man's Concert Barstool Sports The Gang Replaces Dennis with a Sex Doll in the New 'Always Sunny' Trailer YouTube A Dennis Sex Doll Is Somehow the Least Off putting Part of It's Always Sunny's Season 13 Trailer