A Game of Thrones movie about Aegon the Conqueror is in development at Warner Bros.

March 3, 2026

Emma D'Arcy in

House Targaryen apparently isn't just satisfied with conquering our small screens. It's coming for the big screen, too.

According to Page Six Hollywood, Warner Bros. is working on a Game of Thrones prequel film. Andor writer and House of Cards showrunner Beau Willimon is attached as screenwriter, and has reportedly already submitted a draft of the film's screenplay.

While the plot remains under wraps, Page Six reports that the film will center on King Aegon I Targaryen and his conquest of Westeros. The conquest took place nearly 300 years before Game of Thrones itself, and Aegon carried it out alongside his sister-wives Visenya and Rhaenys. (Even in movie form, you can't escape Targaryen incest.)

HBO has been discussing a TV show about Aegon the Conqueror since 2023. Among these discussions was the possibility of a companion feature film that would lead into the series. It's unclear yet whether Willimon's film will be acting as a similar bridge into an upcoming show, or if it will be a stand-alone.

Of course, the movie's future could be in flux due to Warner Bros.' possible sale to Paramount Skydance, as the project could be scrapped post-merger. Then again, Game of Thrones is crucial to the Warner Bros. and HBO brands, and that importance may help it come to fruition in a turbulent media landscape.

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