Still from It's Always Sunny in Philadelphia S18E8
It's Always Sunny in Philadelphia › Season 18

S18 E8: Mac and Dennis Tear Their ACLs

After a Christmas card catastrophe, Charlie nurses a bedridden Mac and Dennis and deliberates on which one is the originator of all their ideas. Dee and Frank are tired of being the bottom of the communication ladder and decide to flip the script.

Air dateSep 28, 2026