Debuting this week on HBO and BBC One, the television adaptation of His Dark Materials is already off to a strong start with viewers.

Across all of HBO's various platforms, including streaming services HBO Go and HBO Now, the series premiere was watched by 700,000 viewers, 424,000 through live broadcast via the premium cable network. This is the strongest Monday debut for HBO since the premiere of the acclaimed miniseries Chernobyl this May.

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As part of a co-production agreement between HBO and the BBC, the series premiered in the United Kingdom and Ireland the night before its HBO debut on Sunday, Nov. 3. The adaptation has proved to be an even bigger hit overseas, with 7.2 million viewers tuning into the premiere across the British Isles.

Based on the Phillip Pullman novel series of the same name, His Dark Materials began with strong critical acclaim. CBR's own advance review has lauded it as engrossing television series for all ages, capturing the magical wonder of the novels with strong performances from its all-star cast and immersive visual effects.

RELATED: HBO's His Dark Materials Has Already Filmed Season 2

His Dark Materials airs Sundays on the BBC in the United Kingdom and Ireland. Episodes air the next day in the United States on HBO. The series is written by Jack Thorne and stars Dafne Keen as Lyra, Ruth Wilson as Marisa Coulter, James McAvoy as Lord Asriel, and Lin-Manuel Miranda as Lee Scoresby.

(via TheWrap)