Spoiler! Episodic Photos: Glee 4x20: “Lights Out” — Blaine’s Nightbird Returns! Share Tweet Remind Me To Watch Reward Me 2 of 7 Previous Autoplay Next April 18, 2013 at 07:54PM EDT by Beth Douglass Related: Glee, Spoilers, Blaine, Season 4 Episode 20 full size Credit: Eddy Chen/©2013 Fox Broadcasting Co. The New Directions in Glee Season 4, Episode 20: “Lights Out” The power’s out! It’s time to think acoustic with those music choices, guys.