Experience the action, betrayal and lustful adventure of Vikings Season 4! Following his defeat in battle, Ragnar Lothbrok returns to Kattegat humbled, but defiant. Ragnar's brother Rollo, now his nemesis, remains in Frankia, while his sons compete against one another to succeed him. Determined to save what remains of his legacy despite his divided family, Ragnar makes a perilous voyage to England with son Ivar, intent on attacking the Saxons. Meanwhile, Kattegat and Aslaug's feud deepens. With powerful performances, intense action and an intriguing story line, this season is a must-watch!