The gang takes a trip to a local water park, ripe with personal agendas and ulterior motives. Dennis feeds off his mantra of "the park provides" and takes on a protégé. Frank and Charlie are determined to ride every ride by any means necessary and Mac and Dee get stuck in a tube slide for most of the day.

Aired on 01/11/2017
20 :
9.39/10 • 1897 voting

It s Always Sunny in Philadelphia • S12E02
Charlie Day Charlie DayCharlie Kelly
Glenn Howerton Glenn HowertonDennis Reynolds
Rob McElhenney Rob McElhenneyRonald "Mac" McDonald
Kaitlin Olson Kaitlin OlsonDeandra Reynolds
Lucas Barker Lucas BarkerSkinny Kid
Jayden Bartels Jayden BartelsAbby
Matt ShakmanDirector
Glenn HowertonWriter