The House of Black and White Guinness World Records second season drama third season simulcast first HBO
Game of Thrones was considered a ratings success for HBO throughout all eight seasons. The show premiere was watched by 2.2 million, and the first season averaged 2.5 million viewers per episode. For its second season, the series had an average gross audience of 11.6 million viewers. The third season was seen by 14.2 million viewers, making Game of Thrones the second-most-viewed HBO series (after The Sopranos). HBO said that Game of Thrones' average gross audience of 18.4 million viewers (later adjusted to 18.6 million) had passed The Sopranos for the viewership record. The season five episode "The House of Black and White" was simulcasted in 173 countries, becoming the "largest TV drama telecast" according to Guinness World Records.
