What to know about every 'Game of Thrones' spinoff in the works, including the movie about Aegon's Conquest

Emilia Clarke as Daenerys Targaryen and Kit Harington as Jon Snow in "Game of Thrones." Helen Sloan/HBO Several "Game of Thrones" spinoffs are in the works at Warner Bros. "House of the Dragon" and "A Knight of the Seven Kingdoms" both premiered to positive reviews. More prequel series are reportedly in production, in addition to a movie about Aegon's Conquest. Warner Bros. has long planned to expand George R. R. Martin's "Game of Thrones" universe, giving fans of the global fantasy phenome...