The trailer culminates with a glimpse of the White Walkers, whom Jon and his forces will face in the great battle of Winterfell in Season 8.
Co-executive producer Bryan Cogman recently told Entertainment Weekly the sequence is "unprecedented."
"This final face-off between the Army of the Dead and the army of the living is completely unprecedented and relentless and a mixture of genres even within the battle. There are sequences built within sequences within sequences," Cogman said.
"It's been exhausting but I think it will blow everybody away."
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