Three more 'Game of Thrones' seasons likely, HBO says

HBO's most-watched series, the medieval fantasy drama "Game of Thrones," will likely continue through three more seasons, a network executive said on July 30, as he defended the show's gritty violence. 

The sixth season is currently being filmed. Executives have planned to run at least seven seasons and are discussing with the show's creators how much longer the show will extend beyond that, said Michael Lombardo, president of HBO programming. 

"They are feeling two more years after six," Lombardo said at a Television Critics Association meeting. 

Lombardo said he'd like to have more beyond that and would also be open to a prequel to the story of the epic battle for the Iron Throne in the fictional kingdom of Westeros, based on  George R.R. Martin's "A Song of Ice and Fire" books. 

This year, "Game of Thrones" hit 20 million viewers on average for its fifth season, which received 24 Emmy nominations including a best drama nod. 

It also generated controversy for a brutal rape scene and burning of a child. Lombardo defended its graphic depictions as part of the story and said he supported show creators Dan Weiss and David Benioff. 

"This show has had violence as part of its many threads from first episode," he said. "There are no two showrunners more careful about not overstepping what they think the line is." 

The fifth season also ended by killing off one of its lead characters and fan favorite, Jon Snow, but viewers have been speculating that the character will return - not that Lombardo was giving away anything on July 30. 

"Everything I've seen, heard and read, Jon Snow is dead," he said. 

"Game of Thrones" this year also helped launch HBO's standalone streaming service HBO Now, where...