The long awaited finale of HBO's hit show, "Game of Thrones," has broken TV ratings. 19.3 million viewers tuned in for the series' final episode ever on Sunday night. "The Iron Throne" broke the record set by last week's episode, "The Bells,"which had 18.4 million viewers. 13.6 million people watched the initial broadcast live on HBO at 9 p.m. on Sunday. That broke the previous HBO record of 13.4 million live viewers for the Season 4 premiere of "The Sopranos" in 2002. The final season of "Game of Thrones" has averaged 44.2 million viewers per episode, including delayed viewing. The viewership numbers are huge for any cable or network TV standard. The series finale of "The Big Bang Theory," which aired this week, drew 18.5 million live viewers.