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It's Always Sunny in Philadelphia Season 10

On a cross country flight, the gang attempt to break Wade Boggs' drinking record. Along the way their antics get the better of them, with each member failing to finish the task, except for two. Frank's mission to have sex on the plane is thwarted by Dennis, whilst Dee and Charlie hold strong and continue to their destination, with Mac assisting them in achieving their goals, with hilarious results.