 When Teddy discovers that Tripp is still a player, and in an open relationship, Teddy realizes that he wants to enter into a serious relationship, and begins dating Marco.By the time of prom, he and Marco are an established couple, and after Teddy wins prom king he dances with Marco in front of his peers.By season 4, Teddy's role was reduced, as Trevor Donovan had been downgraded to recurring status.