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Revenge is the eighteenth episode of the fourth season of Vikings. It is the forty-seventh episode of the series overall. It first aired on January 18, 2017. It was written by creator Michael Hirst and directed by Jeff Woolnough.


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


As the Great Heathen Army assembles, Bjorn and Ivar fight over leadership of the army. Harald spots the woman he fell in love with years ago, Ellisif, which made him want to conquer Norway to impress her. To his anger, she has married a Danish earl, a man of lower status than him. Ubbe and Margrethe are married, but Ubbe agrees to share his bride with Hvitserk. Helga wants to join the Great Heathen Army, but Floki is against it. Floki admits being confused about his worldview. Harald and Halfdan has Egil infiltrate Kattegat. Halfdan suggests Harald kill Ellisif to regain his honor, but Harald refuses because she is the only woman he loves. Earl Jorgensen volunteers as a sacrifice to assure victory in the coming war, while Bjorn and Astrid continue their affair. Aethelwulf confronts Ecbert about his affair with Judith and questions Ecbert's love for him and his ability as a king. Ecbert claims he used Aethelwulf because he had complete trust in him and asks him to lead their defenses against the coming attack. As the Great Heathen Army lands in England, King Aelle faces them, but his meagre army is overrun. Aelle is captured and submitted to the blood eagle.



Special Guest Star

Guest Starring

Additional Cast


Episode Deaths


  • This episode features an appearance from Toronto Blue Jays third baseman Josh Donaldson.
  • This episode contains the voice of Ragnar and is therefor really the last (uncredited) contribution of actor Travis Fimmel to the Vikings series.
  • King Ecbert quotes the lyrics to "Turn, Turn, Turn" by The Rascals as he sends his son off to fight the sons of Ragnar.
  • Ivan Kaye, the actor who plays King Aelle, impressed the young actors Alex Høgh Andersen and Marco Ilsø by his cool and stoic attitude towards the extremely low temperatures during the night shoot of King Aelle's blood eagle where he had to lie down on a trunk shirtless. They said in a live video on Instagram on January 28, 2021 that he was "such a cool dude," "such a boss," and "took it like a champ." Alex Høgh described his own suffering when being dropped on the cold ground and that he was amazed when Ivan got up after an hour of screaming while Alexander Ludwig had been hacking into his back, and said: "Okay, perfect. Thank you for the night. Thank you, guys, thank you."



Vikings Season 4 - Episode 18 '' Revenge '' Sneak Peek Exclusive Vikings France - HD