https://www.cnet.com/news/game-of-thrones-finale-hb-george-rr-martin-littlefinger-sansa-stark-arya-stark-jon-snow/ >Warning: Spoilers ahead for Sunday's "Game of Thrones" season 7 finale. >If you haven't seen the season finale for "Game of Thrones," which aired Sunday night on HBO, turn back and flee for the Iron Islands now.