He later on assures Blaine of his appreciate and they equally come to a decision to go on a balanced diet regime from then. Kurt then joins Dalton's show choir, The Warblers, and falls in like with Blaine. In the third episode, Mercedes quits the glee club and joins the new, rival McKinley display choir, the Troubletones, operate by Shelby Corcoran, afterwards recruiting Santana and Brittany to be a part of her.