Maisie Williams Reveals What Month 'Game of Thrones' Will Return in 2019 Williams, who plays Arya Stark on the HBO hit, made the reveal in an interview with Metro. Maisie Williams, (Metro) HBO confirmed that the show would be returning in 2019 but did not say when. Every previous season of Game of Thrones premiered in April or late March except the seventh season, which premiered in July. When it comes to the conclusion for her character, Williams just hopes she can let go of her "revenge" spree and be "happy."