Is HBO looking at its next major hit?

The network has released a new trailer for Game of Thrones, a drama based on George R. R. Martin's "A Song of Ice and Fire" novels. This high-concept series will debut in 2011 and take place in a world full of magic, royalty, mercenaries and warlords.

The drama stars Sean Bean, Lena Heady, Nikolaj Coster-Waldau, Michelle Fairley, Peter Dinklage, Charles Dance, Jason Momoa, Emilia Clarke, Aiden Gillen and Mark Addy. Check out its preview here and decide: Is Game of Thrones worth a shot?

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.