Game of Thrones - Season 2, Episode 4 Synopsis
 

Episode 2-4
Title: "Garden of Bones"
Directed by David Petrarca
Written by Vanessa Taylor
Original Air Date -- April 22, 2012

Catelyn tries to convince the Baratheon brothers to abandon their quarrel and unite against the Lannisters, while Sansa is abused by Joffrey in revenge for her brother's victories. Tyrion intervenes and in return, Joffrey is cruel to his "gifts". Arya and Gendry are taken captives to the castle of Harrenhal. After her exhausting journey through the desert, Daenerys arrives at the gates of the prosperous city of Qarth. Melisandre gives birth to a shadow creature.


Source: http://en.wikipedia.org/wiki/Game_of_Thrones_(season_2)