VIDEOS: First Look at the Season 3 Premiere of GAME OF THRONES

Below, check out two new clips from the first episode of GAME OF THRONES' third season! HBO's hit fantasy series returns on March 31st at 9pm.

Based on the novels of George R.R. Martin, the third season is said to adapt events from "A Storm of Swords."

The cast of season two cast included Emmy and Golden Globe winner Peter Dinklage, Michelle Fairley, Lena Headey, Emilia Clarke, Nikolaj Coster-Waldau, Aidan Gillen, Iain Glen, Kit Harington, Richard Madden, Maisie Williams, Isaac Hempstead Wright, Sophie Turner, Jack Gleeson and Alfie Allen.