Season 3
Picking up up seven years after the conclusion of Season 2, Freydis is now the undisputed leader of pagan Jomsborg, and Leif and Harald have achieved glory in Constantinople. But greater challenges lie ahead in order for each to reach their ultimate destiny.
Seven Years Later
Harald and Leif help Romanos lay siege at Syracuse. Canute travels to Rome to meet with the Pope. A new arrival in Jomsborg catches Freydis' eye.
Honour and Dishonour
Harald fights the Emir for control of Syracuse. Something causes the Jomsborg townsfolk to fall ill. Magnus Olafsson unexpectedly arrives in Kattegat.
Lost
As the Byzantine army returns to Constantinople, Leif agonizes over the Syracuse horror. Magnus sails to Jomsborg as Freydis' people begin to heal.
The End of Jomsborg
Leif meets an unusual nun on his way to Corfu, Freydis devises a plan for Magnus' imminent arrival and Harald's indiscretion worries his friends.
Greenland
Freydis reunites with her father, Erik the Red. Leif befriends mapmaker Calinicus, Canute returns to London and Harald gets caught in a bad situation.
Return to Kattegat
Harald sacrifices everything to protect his friends, Canute gathers his sons in Kattegat and Erik tries to convince Freydis to stay in Greenland.
Hardrada
Freydis confronts Erik over his schemes to make her stay, Canute declares a successor and Harald devises an escape plan.
Destinies
Emma prepares to defend the throne. Magnus and Harald vie to be King of Norway. Unbeknownst to each other, Leif and Freydis both return to Kattegat.