HBO’s ‘House Of The Dragon’ And Amazon’s ‘Lord Of The Rings’ Review Scores Are Tied, Exactly It is pretty clear that the biggest rivals on TV are about to be HBO’s House of the Dragon, its Game of Thrones prequel, and Amazon’s Lord of the Rings: The Rings of Power series, which it has spent close to a billion dollars on in an effort to find its own Game of Thrones-level hit.