after his heart surgery. the procedure forced the stones to postpone the north american leg of their tour. this weeks marks the end of a tv era. the final episode of "game of thrones" airs sunday night on hbo with only one of those dragons and the 8th and final season of the megahit series has been a ratings bonanza, the episode set another record of more than 18 million viewers tuning in. >> and there was laughter and tears during the series finale of "the big bang theory." >> i want you to know in my way, i love you all. >> the cbs sitcom ended its 12 season run thursday with a one-hour finale that wrapped up several long running story lines at 279 episodes, "the big bang theory" is the longest running multicamera series in television