Once Upon a Time is officially streaming on Disney+, where it belongs, and you'll be able to binge-watch this epic fairytale drama as many times as you want!Once Upon a Time originally aired on ABC from 2011 to 2018 and follows a young woman named Emma Swan (Jennifer Morrison), whose life is thrown for a loop when the son she gave up for adoption, Henry (Jared Gilmore), shows up at her door one day with a fantastical tale about her destiny.