Episode 1-2
Title: "The Kingsroad"
Written by Tim Van Patten
Directed by David Benioff & D. B. Weiss
Original Air Date -- April 24, 2011
Bran's fate remains in doubt. Having accepted his new role as the King's Hand (the King's closest confidant and chief bodyguard), Ned leaves his home in Winterfell with his daughters Sansa and Arya, while Catelyn stays behind to tend to Bran. Jon Snow, Ned's bastard son, heads north to join the brotherhood of the Night's Watch, protectors of the Wall that keeps the vicious "White Walkers" and the savage wildlings from entering civilised Westeros. Tyrion Lannister, a dwarf and the Queen's brother, decides to forego the trip south with his family, instead joining Jon's entourage heading to the Wall. Viserys bides his time in hopes of winning back the throne, while Daenerys focuses her attention on learning how to please her new husband, Drogo.
Source:
https://en.wikipedia.org/wiki/Game_of_Thrones_(season_1)