- Writers: Michael Hirst
- Stars: Alexander Ludwig , Alyssa Sutherland , Cathal O'Hallin , Clive Standen , Cormac Melia , Donal Logue , Edvin Endre , Gaia Weiss , George Blagden , Gustaf Skarsgård , Jefferson Hall , Jessalyn Gilsig , John Kavanagh , Katheryn Winnick , Linus Roache , Maude Hirst , Moe Dunford , Travis Fimmel
Ragnar's and Kwenthrith's army obliterates her uncle's. Her brother escapes and they set off to find him. King Ecbert gets to know Lagertha more closer. Meanwhile back in Hedeby, Kalf takes over Lagertha's leadership and proclaims himself as Earl. A mysterious man appears in Kattegat after Helga, Aslaug and Siggy all experience the same dream.