House of the Dragon was HBO's largest debut ever, with over 10 million US viewers

House of the Dragon was HBO’s largest debut ever, with over 10 million US viewers

It will also have competition in the swords-and-sorcery subgenre, when Amazon’s Prime Video service debuts its own high-priced epic, The Lord of the Rings: The Rings of Power, on September 2nd. The Lord of the Rings series will premiere with two episodes at 9 p.m. ET on Thursday nights, followed by one episode per week at midnight (ET) on Friday mornings until the last episode on October 14th. House of the Dragon will air new episodes every Sunday night at 9 p.m. ET until its first season concludes on October 23rd.