Channel has given green light to House of the Dragon series, set 300 years before original blockbuster, reportedly after ditching another option

HBO is green-lighting a new Game of Thrones prequel after reportedly canceling another that starred Naomi Watts.

The cable channel said on Tuesday that it has given a 10-episode order to House of the Dragon, set 300 years before the original series that ended its eight-season run in May.