Season 4

A Good Treason

Feb 18, 20167.747 min

A dangerously ill Ragnar returns to Kattegat, where his suspected death kicks off a scramble to succeed him. Meanwhile, Lagertha engages in a power struggle with her calculating, former second in command, Kalf. Rollo betrays his heritage an

Kill the Queen

Feb 25, 20167.444 min

As Ragnar and Floki remain at odds, Rollo makes great efforts in Paris to win over his new bride, Princess Gisla. Meanwhile, King Ecbert sets the task for his son Aethelwulf to rescue Queen Kwenthrith.

Mercy

Mar 3, 20167.449 min

Floki learns of the heavy price he has paid for his actions. Rollo finds an unlikely ally in Count Odo. Bjorn has to fight a fierce opponent in the wilderness.

Yol

Mar 10, 20167.444 min

King Aelle goes to Wessex for Christmas and is not impressed with how family relations are developing. Rollo's future hangs in the balance.

Promised

Mar 17, 20167.245 min

There's an air of betrayal as those whom Odo trusts plot against him. Ecbert agrees to support Kwenthrith in Mercia. Pregnancy brings happiness to Lagertha and Kalf and a marriage is arranged.

What Might Have Been

Mar 24, 20167.244 min

Ragnar declares another raid on Paris at the Thing in Kattegat. Ecbert also has a journey in mind as he dispatches Aethelwulf and Alfred on a pilgrimage to Rome.

The Profit and the Loss

Mar 31, 20167.645 min

In England, King Ecbert's true ambitions are revealed as he plots to gain the crown of Mercia. The Vikings attack Paris with considerable force, but will Rollo's defenses be too much for them to overcome? Meanwhile, Harbard, the mysterious

Portage

Apr 7, 20167.645 min

Defeat for the Vikings calls Ragnar's leadership into question as they evacuate their camp and move back down river. Ragnar remains inscrutable until he orders the fleet to beach at a cliff face and unveils an ingenious plan. Rollo and Gisl

Death All 'Round

Apr 14, 20167.545 min

The labors of the Vikings eventually bear fruit as, within sight of Paris, they re-launch their boats but this time along with some interesting structures that Floki has built. Aethelwulf and Alfred eventually arrive in Rome and honors are

The Last Ship

Apr 21, 20168.244 min

A ferocious battle between the Vikings and the French eventually comes down to Ragnar against Rollo. The outcome will seal the fate of the two brothers.

The Outsider

Nov 30, 20167.445 min

Ragnar returns to Kattegat and formulates a plan to head back to Wessex, where he intends to right past wrongs.. Meanwhile, Lagertha plans a power play in Kattegat and Bjorn prepares to fulfill his long-held dream to explore the Mediterrane

The Vision

Dec 7, 20167.644 min

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 bu

Two Journeys

Dec 14, 2016846 min

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 jo

In the Uncertain Hour Before the Morning

Dec 21, 20167.945 min

Ragnar's faith is tested.

All His Angels

Dec 28, 20168.947 min

Ragnar's fate is decided.

Crossings

Jan 4, 20178.243 min

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

The Great Army

Jan 11, 20177.444 min

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

Revenge

Jan 18, 20177.952 min

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

On the Eve

Jan 25, 20178.644 min

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

The Reckoning

Feb 1, 20178.246 min

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