Comedy News TV Videos ‘It’s Always Sunny in Philadelphia’ season finale preview Written by Lena Lamoray on March 18, 2015 Tonight, at 10/9c on FXX, watch the season finale of It’s Always Sunny in Philadelphia. “Asskickers” isn’t just a hot new way to work out, it’s a way of life…and maybe a cult. Related posts:'Fargo' preview clip'Man Seeking Woman' season finale preview and special content piece'You're the Worst' preview and selected scene