Television News 'Game of Thrones' final season won't air on HBO until until 2019 01/05/2018 HBO on Thursday confirmed speculation that its hit show "Game of Thrones" won't return for its final season until 2019. Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: David Nutter David Benioff Bryan Cogman D.B. Weiss Kit Harington Dave Hill Game of Thrones