HBO reportedly threw away $30 million, a decent movie budget, on the Game of Thrones prequel pilot we'll never see. The whole thing was scrapped because it didn't deliver on the "premise of the original series".
Since GoT ended, HBO has developed two prequels: the upcoming House of the Dragon, and another untitled project with some big names attached, including Naomi Watts, Jane Goldman, and S.J. Clarkson. The latter was unceremoniously cancelled — but thanks to the new book "Tinderbox: HBO's
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