On Vikings, King Ecbert makes plans to defend Wessex from the Northmen’s attacks. Athelstan holds his own in battle. Lagertha and Bjorn return and Jarl Borg invades Kattegat.
On Vikings, Ragnar and his brother fight it out. Also, Princess Aslaug arrives, pregnant with Ragnar's child. Lagertha packs her things. And Floki lives!