Watch Vikings Season 4 Online
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On Vikings Season 4 Episode 20, Ecbert stays behind in order to formulate his own plan, while Prince Aethelwulf is targeted by the Vikings' battle plan.
On Vikings Season 4 Episode 19, the Viking army rampages through the English countryside while King Ecbert and Aethelwulf seek to defend the realm.
On Vikings Season 4 Episode 18, Ragnar's plan is realized and the Viking army alights on the coast of Northumbria.
On VIkings Season 4 Episode 17, a great Viking army assembles at Kattegat, while Lagertha remains vigilant in the absence of Bjorn.
On Vikings Season 4 Episode 16, Lagertha continues the quest for power in Kattegat, while Bjorn's fleet decides to launch a surprise attack.
On Vikings Season 4 Episode 15, while having to work together to form a plot against the Saxons, Ragnar and Ivar establish a new level of understanding.
On Vikings Season 4 Episode 14, Ragnar acquires a surprising concession from King Ecbert, while Lagertha is near realizing a long-held ambition.
On Vikings Season 4 Episode 13, Ragnar and Ivar deal with an issue involving their crew and Bjorn has a surprising reunion.
On Vikings Season 4 Episode 12, Bjorn's dream got closer within his reach, but did a last minute setback ruin the big plan to make his life better?
On Vikings Season 4 Episode 11, Ragnar has returned to Kattegat where he devises a plan to return to Wessex to right past wrongs on the midseason premiere.
Ragnar and his forces face off against Rollo and the Franks on Vikings Season 4 Episode 10. Does Rollo stand a chance against his brother's armada and Ragnar's vow to kill him?
On Vikings Season 4 Episode 9, honors are bestowed in Rome but the reception isn't as warm in Wessex and as they near Paris, the Vikings relaunch their boats.
Ragnar's leadership remains in question after the latest defeat, but the king comes up with an ingenious plan on Vikings Season 4 Episode 8. At the palace, Rollo and Gisla announce some big news to the French Court.
Outside Paris, the Vikings attempt to breach Rollo’s defenses on Vikings Season 4 Episode 7. Meanwhile in Kattegat, Harbard has returned and once again causes a stir amongst its women.
On Vikings Season 4 Episode 6, Ragnar reveals his plan to raid Paris but Rollo awaits in France and Ecbert dispatches Aethelwulf and Alfred to Rome.
On Vikings Season 4 Episode 5, Ragnar reveals his deepest secret to Yidu while trusted people plot against Odo and an arranged marriage doesn't go as planned.
Floki is shut out in the cold, while other visitors arrive in Kattegat for the holidays on Vikings Season 4 Episode 4. In England, King Aelle visits Wessex and learns of Rollo's marriage to Princess Gisla. However, if the Viking can not win her over, his time in Paris may be cut short.
Rollo finds an ally in Paris, but continues to struggle with the contempt of his new bride on Vikings Season 4 Episode 3. In Kattegat Floki remains Ragnar's prisoner, but a mysterious visitor counsels the King to show mercy.
Bjorn sets out to prove himself to his father on Vikings Season 4 Episode 2. Meanwhile, Ragnar struggles with Floki's fate. In England, King Ecbert sends his son Aethelwulf to rescue Queen Kwenthrith from her enemies in Mercia.
After the raid on Paris, Ragnar lies near death in Kattegat on Vikings Season 4 Episode 1. Floki is arrested for the murder of Athelstan and Rollo betrays his remaining Viking brothers to win favor in the French Court.