IT'S ALWAYS SUNNY IN PHILADELPHIA, l-r: Kaitlin Olson, Danny DeVito, Charlie Day in 'Mac & Dennis

IT'S ALWAYS SUNNY IN PHILADELPHIA, l-r: Kaitlin Olson, Danny DeVito, Charlie Day in 'Mac & Dennis Move To The Suburbs' (Season 11, Episode 5, aired February 3, 2016). ph: Patrick McElhenney/©FX/courtesy Everett Collection