Episode #1.9 - S1-E9
Continuity mistake: When Princess Rhaenys flies out of the Dragonpit on her dragon, the dragon's legs are leaning forward. In the next shot, its legs are dangling behind. (00:56:24)
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Trivia: Prior to this series going into production, HBO greenlit a series called "Bloodmoon." It was set in the Age of Heroes, around 5,000 years before the events of Game of Thrones, and starred Naomi Watts in the lead role. The project was shelved after the pilot was shot.