'Game of Thrones' season seven finale breaks audience record

HBO’s “Game of Thrones” can add another achievement to its list.

This image released by HBO shows Kit Harington, left, and Emilia Clarke on the season finale of "Game of Thrones." The series set yet another audience record Sunday with its seventh-season finale. Nielsen says an all-time high of 12.1 million viewers were tuned in to the wildly popular fantasy drama. An additional 4 million caught the episode on streaming channels. (Macall B. Polay/HBO via AP)

This image released by HBO shows Kit Harington, left, and Emilia Clarke on the season finale of "Game of Thrones." The series set yet another audience record Sunday with its seventh-season finale. Nielsen says an all-time high of 12.1 million viewers were tuned in to the wildly popular fantasy drama. An additional 4 million caught the episode on streaming channels. (Macall B. Polay/HBO via AP) (AP)

An all-time high of 12.1 million viewers tuned in Sunday to watch the finale of the seventh season of the epic fantasy drama, according to Nielsen. An additional 4 million caught the episode on streaming channels.

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The seven-episode second-to-last season began with 10.1 million viewers, while episode 5 drew 10.7 million, their previous record.

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This season “Game of Thrones” has regularly ranked as the second-most-viewed series each week among all programs, both cable and broadcast. Its eighth and final season was slated to air next year but The Hollywood Reporter said the series may not run until 2019 due to production.

The Associated Press contributed to this report.