Ratings: Game of Thrones season 7 finale notches new viewership record

Game of Thrones ended its penultimate season on a record-shattering note. Sunday's super-sized Season 7 finale drew a series-high 12.1 million viewers in its initial 9/8c airing. That's up nearly 40 percent compared to the Season 6 finale, which attracted 8.9 million viewers.

For historical perspective's sake, the Emmy-winning drama's first five season finales delivered, respectively, 3 million, 4.2 million, 5.4 million, 7.1 million and 8.1 million total viewers.

TVLine readers gave this year's 80-minute closer an average grade of "A-."

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'Game of Thrones' season 7 premiere
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'Game of Thrones' season 7 premiere
LOS ANGELES, CA - JULY 12: Actor Kit Harington attends the season 7 premiere of 'Game Of Thrones' at Walt Disney Concert Hall on July 12, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - JULY 12: Actress Nathalie Emmanuel attends the season 7 premiere of 'Game Of Thrones' at Walt Disney Concert Hall on July 12, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - JULY 12: Actor Nikolaj Coster-Waldau attends the season 7 premiere of 'Game Of Thrones' at Walt Disney Concert Hall on July 12, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - JULY 12: Actress Sophie Turner attends the season 7 premiere of 'Game Of Thrones' at Walt Disney Concert Hall on July 12, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - JULY 12: Actor Alfie Allen attends the season 7 premiere of 'Game Of Thrones' at Walt Disney Concert Hall on July 12, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - JULY 12: Actress Pooja Batra attends the season 7 premiere of 'Game Of Thrones' at Walt Disney Concert Hall on July 12, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - JULY 12: Actress Keisha Castle-Hughes attends the season 7 premiere of 'Game Of Thrones' at Walt Disney Concert Hall on July 12, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - JULY 12: Actor Iain Glen attends the season 7 premiere of 'Game Of Thrones' at Walt Disney Concert Hall on July 12, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - JULY 12: Actress Gwendoline Christie attends the season 7 premiere of 'Game Of Thrones' at Walt Disney Concert Hall on July 12, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - JULY 12: Actor Aidan Gillen attends the season 7 premiere of 'Game Of Thrones' at Walt Disney Concert Hall on July 12, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - JULY 12: Actor Liam Cunningham attends the season 7 premiere of 'Game Of Thrones' at Walt Disney Concert Hall on July 12, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - JULY 12: Actress Rose Leslie attends the season 7 premiere of 'Game Of Thrones' at Walt Disney Concert Hall on July 12, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - JULY 12: Actress Pooja Batra attends the season 7 premiere of 'Game Of Thrones' at Walt Disney Concert Hall on July 12, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - JULY 12: Actor Iain Glen attends the season 7 premiere of 'Game Of Thrones' at Walt Disney Concert Hall on July 12, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - JULY 12: Actress Maisie Williams attends the season 7 premiere of 'Game Of Thrones' at Walt Disney Concert Hall on July 12, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - JULY 12: Actress Sophie Turner attends the season 7 premiere of 'Game Of Thrones' at Walt Disney Concert Hall on July 12, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - JULY 12: Actress Amanda Crew attends the season 7 premiere of 'Game Of Thrones' at Walt Disney Concert Hall on July 12, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - JULY 12: Actress Hannah Murray attends the season 7 premiere of 'Game Of Thrones' at Walt Disney Concert Hall on July 12, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - JULY 12: Actress Indira Varma attends the season 7 premiere of 'Game Of Thrones' at Walt Disney Concert Hall on July 12, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - JULY 12: Actor Ben Sinclair attends the season 7 premiere of 'Game Of Thrones' at Walt Disney Concert Hall on July 12, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - JULY 12: Actor Kit Harington attends the season 7 premiere of 'Game Of Thrones' at Walt Disney Concert Hall on July 12, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
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