A popular 'Game of Thrones' fan theory says Bran is the Night King - here's why

Season 8 of "Game of Thrones" may not air until 2019, but fans are already busy trying to figure out how the show will end. One theory that's been picking up steam suggests that Bran is actually the Night King, and there are lots of hints and clues in the series that this might be true. Here's a look at the evidence so you can judge for yourself. And here's a case against it.

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