The first three seasons of the historical drama following the adventures of a Viking clan. The series follows Ragnar (Travis Fimmel), a Viking chieftain who, along with his brother Rollo (Clive Standen) and wife Lagertha (Katheryn Winnick), plots to become king. A formidable warrior, Ragnar often leads his men on raids overseas. However, even as he makes a name for himself on the battlefield, Ragnar must be aware of rivals plotting behind his back in his homeland. Season 1 episodes are: 'Rites of Passage', 'Wrath of Northmen', 'Dispossessed', 'Trial', 'Raid', 'Burial of the Dead', 'A King's Ransom', 'Sacrifice' and 'All Change'. Season 2 episodes are: 'Brother's War', 'Invasion', 'Treachery', 'Eye for an Eye', 'Answers in Blood', 'Unforgiven', 'Blood Eagle', 'Boneless', 'The Choice' and 'The Lord's Prayer'. Season 3 episodes are: 'Mercenary', 'The Wanderer', 'Warrior's Fate', 'Scarred', 'The Usurper', 'Born Again', 'Paris', 'To the Gates!', 'Breaking Point' and 'The Dead'.