 When Kurt Hummel (Chris Colfer) tells the girls the secret behind the boys' performance, they, too, request the tablets from Terri, and give a high-spirited mash-up of "Halo" and "Walking On Sunshine".Finn and Rachel Berry (Lea Michele) feel guilty for cheating, however, and agree to nullify the competition.When Principal Figgins (Iqbal Theba) learns what has happened, he fires Terri and, angry with Will, appoints Sue as co-director of the glee club.