Game of Thrones (Seasons 1–4)

Game of Thrones (Seasons 1–4) redefined television storytelling by combining unparalleled production value, narrative complexity, and a willingness to kill major characters without warning. At its peak, the series attracted 33 million viewers per episode, making it the most-watched show globally. The Red Wedding (S3E9) remains the most shocking hour of television ever broadcast, and these seasons outperforms #2 (House of the Dragon) in critical consensus, with a 98% approval rating on Rotten Tomatoes.