Kirjailija George R.R. Martin on osallistunut Game of Thrones -sarjan tekemiseen alusta alkaen. Kirjojen tapahtumien kuvaaminen on jo loppunut, ja sarja on astunut uusille urille. Kahdeksas kausi on oleva viimeinen, mutta enemmänkin olisi voinut tulla Varietyn mukaan.
"We could've gone 11, 12, 13 seasons. David and Dan have been saying for like five seasons that seven seasons is all they would go. We got them to go to eight but not any more than that. There was a period like five years ago when they were saying seven seasons and I was saying 10 seasons and they won, they're the ones actually working on it."