Sunday's episode of "Game of Thrones" notched a series record of 17.8 million viewers, according to HBO. "The Long Night" broke the record set by the season premiere just two weeks ago when 17.4 million viewers tuned in. https://t.co/mhD2AbPPJl https://t.co/azHS0BwmEP

Sunday's episode of "Game of Thrones" notched a series record of 17.8 million viewers, according to HBO. "The Long Night" broke the record set by the season premiere just two weeks ago when 17.4 million viewers tuned in. https://t.co/mhD2AbPPJl https://t.co/azHS0BwmEP (via Twitter http://twitter.com/CNN/status/1123477128866082816)