How to watch ‘Game of Thrones,’ HBO’s most-watched TV show By: MarketWatch July 13, 2017 at 11:11 AM EDT The season 6 finale of “Game of Thrones” was the series’ most-watched, and the entire season drew an average 23.3 million weekly viewers. Read More >> Related Stocks: AT&T Inc Alphabet-A Altice USA Inc Cl A Amazon.com Apple Charter Communications Inc Comcast Corp Dish Network Corp Microsoft Netflix Sony Corp Standard & Poors 500 Time Warner Twenty-First Century Fox Verizon Communications Walt Disney