Slowly but surely, the Stark children are finally coming back together in Winterfell. Bran and Sansa's reunion on Sunday's episode of Game of Thrones may not have been as touching as fans may have wanted, but it may have confirmed a popular fan theory that's been coming up for a while now. During his super-awkward chat with Sansa, Bran let slip one line that has viewers thinking a long-held Bran/Three-Eyed Raven theory on Game of Thrones is totally true.
Sansa may not have understood anything Bran was talking about during their catch-up, but viewers who've seen Bran transform into an all-seeing wizard over the past couple of seasons understood his return to the world of the rest of the main characters will mean big changes. Though nothing big has happened yet, Bran did give fans a hint about a popular fan theory concerning the identity of the Three-Eyed Raven.
Ever since the original Thee-Eyed Raven first appeared inside that giant tree in the North, fans were speculating the old man could be a future version of Bran. As Bran's training progressed, it only seemed more true, as we saw Bran gain the abilities to travel through time and even control some elements of the past. It's totally feasible for that old dude in the tree to be future Bran coming back in time to train his younger self.
And that's what Bran seemed to be hinting at in his strange and admittedly super annoying conversation with Sansa. He tells her he's the Three-Eyed Raven, but also the Three-Eyed Raven was his mentor. When she questions the statement, he tells her it's hard to explain.
It's probably hard to explain your future self came back in time to teach your current self how to become an omniscient mage, right? If that is the case, it means Bran will only become more powerful and in-tune with his metaphysical abilities as he grows older. We'll have to see how his full transformation into the Three-Eyed Raven affects the other Starks.