- 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
Aslaug gives birth to a son but his physical disabilities leads Ragnar to a difficult decision. In Wessex, King Ecbert welcomes Princess Kwenthrith of Mercia. After they arrive in Wessex, Ragnar informs Horik and Lagertha that they will negotiate with Egbert rather than fight. It doesn't sit well with them that Ragnar has made this decision without consulting them. Horik decides to do something about it.