Kurt and Blaine Kiss in Glee Season 2, Episode 16: “Original Song”
Blaine asks Kurt to meet him in an empty Dalton room, under the guise of wanted to rehearse their Regionals duet. Not so fast! As it turns out, the Warbler frontman has something else on his mind. He confesses that he, too, has feelings for Kurt and hits him with THE KISS that had been a long time coming!