With delayed viewers factored in, the gross audience for HBO‘s buzzy new drama series True Detective starring Matthew McConaughy and Woody Harrelson has risen to 11.9 million viewers per episode, making it the most-watched first-year series in HBO’s history. True Detective edged the previous record for first-year gross viewership held by Six Feet Under, which averaged 11.4 million. The murder mystery also was ahead of the Season 1 cume viewership for Game Of Thrones, which holds the record for HBO’s most-watched series overall, averaging 14.4 million viewers for its most recent third season.

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