There are quite a few unfinished story lines that can lead to spin offs and possibly a sequel.
*Arya's journey to the west.
* Jon Snow, Night watch Commander and the free folks
* Bran's search of the dragon
And.... Is Daenerys really dead??? It's not unusual for people coming back from death in GOT
There won't be a remake of S8, but the GOT saga probably will continue.
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