He later assures Blaine of his appreciate and they both of those determine to go on a healthy food plan from then. Kurt then joins Dalton's demonstrate choir, The Warblers, and falls in like with Blaine. In the 3rd episode, Mercedes quits the glee club and joins the new, rival McKinley display choir, the Troubletones, run by Shelby Corcoran, afterwards recruiting Santana and Brittany to be a part of her.