Game Of Thrones, The Ghost Of Harrenhal

Season 2 Premiere. Tyrion arrives to save Joffrey's crown from threats old and new; Daenerys searches for allies and water in the Red Waste.

Arya makes friends with Gendry.Theon arrives at his home, Pyke, in order to persuade his father into helping Robb with the war. Jon tries to investigate Craster's secret.

Tyrion tries to see who he can trust in the Small Council. Catelyn visits Renly to try and persuade him to join Robb in the war. Theon must decide if his loyalties lie with his own family or with Robb.

Catelyn tries to save two kings from themselves; Tyrion practices coercion; Robb meets a foreigner; Dany finds her ally.

The Baratheon rivalry ends; Tyrion learns of Cersei's secret weapon; Dany suffers a loss; Arya collects a debt she didn't know was owed.

Arya has a surprise visitor; Dany vows to take what is hers; Joffrey meets his subjects; Qhorin gives Jon a chance to prove himself.