'House of the Dragon' Season 3 Finale Hits 21 Million Viewers in Three Days The latest viewing numbers for HBO's "House of the Dragon" are out, and they're impressive.
With 21 million viewers in its first three days, Season 3's finale has been touted as a ratings success story.
However, this tale of Targaryen conquests and castle intrigues reveals more about our own viewing habits than anything else.