With that in mind, let's take a look at some of the moments that established Frank Reynolds as a mainstay for the gang at Paddy's Pub. Ever since his first appearance in the second season, Frank has steadily devolved from the snob he once was. System (S05, E10)FXAfter Dennis reveals his foolproof method of seduction to the gang, Mac and Frank devise their own systems. Armed with that theory, Frank sets out to make a viral video that will put Paddy's Pub on the map. That revelation leads Mac, Frank, and Charlie to question the impact of modern art, convinced they can weasel any unsuspecting connoisseur into investing in them.