February 18, 2016 PREMIERE
Watched Season 04 20 episodes Rate
A Good Treason E01
A Good Treason February 18, 2016

Entry to Valhalla eludes Ragnar but as he lies in his sick bed in Kattegat events unfold beyond his control. Bjorn orders the arrest of Floki for Athelstan's murder and in Paris, Rollo betrays his allies to strengthen his position. Meanwhile, in Hedeby, Kalf announces joint Earldom with Lagertha, but is Lagertha actually willing to share what once was hers?

Kill the Queen E02
Kill the Queen February 25, 2016

Floki hopes to escape from Ragnar and Kattegat. Rollo makes great efforts in Paris to win over his new bride, Princess Gisla. King Ecbert orders his son Aethelwulf to rescue Queen Kwenthrith from opposing forces in Mercia.

Mercy E03
Mercy March 3, 2016

Floki faces the wrath of Ragnar. Intrigue prevails in the French Court as Rollo finds an unlikely ally. Kalf and Erlendur plot their ascent. Bjorn must fight a fierce opponent in the wilderness.

Yol E04
Yol March 10, 2016

The Yule Log burns in the Great Hall in Kattegat and mysterious visitors are welcomed, among them a Norwegian King. King Aelle visits Wessex for Christmas and is concerned with how family relations are developing. In Paris, Rollo's future hangs in the balance - can he win over his new bride, Gisla, as a Papal Delegation arrives to arrange a divorce?

Promised E05
Promised March 17, 2016

There's an air of betrayal at Court in Paris and in Wessex. Ecbert agrees to support Kwenthrith in Mercia, but is Ecbert a true ally? Ragnar confides in Yidu his darkest secret. Happiness comes to Lagertha and Kalf and a marriage is arranged.

What Might Have Been E06
What Might Have Been March 24, 2016

Ragnar announces a raid on Paris at the Thing in Kattegat. The fleet is battered by a storm after it sets sail, but the greatest challenge for the Vikings lies ahead in Paris, where Rollo awaits. Meanwhile, Ecbert dispatches Aethelwulf and Alfred on a pilgrimage to Rome.

The Profit and the Loss E07
The Profit and the Loss March 31, 2016

On the Seine, the Vikings attack with considerable force but can they breach Rollo's defenses? Meanwhile, Harbard, the mysterious wanderer, returns and causes a stir amongst the women of Kattegat.

Portage E08
Portage April 7, 2016

The Vikings call Ragnar's leadership into question. Ragnar himself remains inscrutable and orders the fleet to beach at a cliff face where he unveils an ingenious plan. Rollo and Gisla have news that strengthens Rollo's position at the French Court.

Death All 'Round E09
Death All 'Round April 14, 2016

The labours of the Vikings bear fruit as, within sight of Paris, they re-launch their fleet but this time with some formidable new structures that Floki has engineered. Aethelwulf and Alfred arrive in Rome and honours are conferred by Pope Leo. Relations are not so cordial in Wessex.

The Last Ship E10
The Last Ship April 21, 2016

A fierce battle between the Vikings and the French eventually comes down to Ragnar against Rollo and the outcome seals the fates of the two brothers.

The Outsider E11
The Outsider November 30, 2016

Ragnar has returned to Kattegat and there are secrets to be revealed. He makes plans to return to Wessex to right past wrongs but finds that those who were once his closest allies now have plans of their own. Even the Lothbrok sons refuse to join their father's mission – except one.

The Vision E12
The Vision December 7, 2016

The Kattegat locals chide Ragnar that the gods have deserted him as he struggles to crew his voyage to Wessex. It's Bjorn who has charisma now as he prepares to fulfill his long-held dream to explore the Mediterranean in a sleek new boat built for him by Floki. By contrast, Ragnar must accept weathered boats and a crew he has bribed but when Aslaug foresees that the fleet will be lost in a vicious storm her warnings go un-heeded by Ragnar and her precious son, Ivar.

Two Journeys E13
Two Journeys December 14, 2016

Ragnar's fleet is shipwrecked and washes up on the Wessex coast, but without enough survivors to form a credible force, Ragnar and Ivar have a difficult decision to make. Rollo meets his Viking comrades again and can't resist the urge to join Bjorn's voyage, risking his marriage and his new Frankish identity. Ragnar too is taking a risk as he carries Ivar towards the Royal Villa in Wessex – throwing himself and his son upon the mercy of King Ecbert.

In the Uncertain Hour Before the Morning E14
In the Uncertain Hour Before the Morning December 21, 2016

Lagertha attempts to fulfill a long-held ambition. Ragnar negotiates an unexpected concession from King Ecbert.

All His Angels E15
All His Angels December 28, 2016

Ragnar and Ivar plot against the Saxons and reach a new level of understanding.

Crossings E16
Crossings January 4, 2017

Bjorn's fleet sails onward and launches a surprise attack; back in Kattegat, Lagertha continues in her quest for power.

The Great Army E17
The Great Army January 11, 2017

The Viking army begins to gather in Kattegat; Lagertha must remain vigilant in the absence of her son, Bjorn.

Revenge E18
Revenge January 18, 2017

Ragnar's plan comes to fruition; the Viking army lands on the coast of Northumbria.

On the Eve E19
On the Eve January 25, 2017

The Viking army causes panic in the English countryside as King Ecbert and Aethelwulf plan the defense of the realm.

The Reckoning E20
The Reckoning February 1, 2017

Prince Aethelwulf finds himself subject to the Vikings' battle master plan; Ecbert remains behind with a plan of his own.

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