'Vikings' season 4 spoilers: Last Supper-inspired teaser image highlights conflict between Christianity and paganism

(History / Official Facebook Page)

The History channel has finally released details on season 4 of "Vikings." The historical drama is set to return on Feb. 18, 2016 at 10 p.m. ET. 

History has also announced that it has ordered four additional episodes, which brings season 4's total order to 20 episodes. Clive Standen (who plays Rollo) previously talked about the show's expansion. He revealed that "Vikings" needed 20 episodes to tell a comprehensive story. 

"We really are at the height of the Golden Age of the Vikings now. The story of the Vikings explores and therefore, the show needs to as well," he said

History will split the upcoming season into two halves. The first 10 episodes will air starting February while the second half will air sometime later in the year. 

Along with the season 4 release date, History also released the first image of the upcoming season. The teaser image features the main characters of the show in a Last Supper-inspired setting. 

"A picture of the Last Supper portraying pagan Vikings in the role of Christ and his apostles may seem, to some, very controversial. But I would say, if nothing else, it emphasizes the centrality of belief systems and spirituality in the show. We are addressing the conflict between Christianity and paganism," said creator Michael Hirst

In the official image, Ragnar is in the center seated on a throne. His son Bjorn is standing beside him. His exclusion from the table could be a sign of his possible betrayal in the upcoming season. 

First wife Lagertha is seated at Ragnar's left. Lagertha gives a strong and independent aura. Second wife Queen Aslaug is seated on Ragnar's right but is turned away from him. This placement highlights their loveless marriage. 

In the photo, Ragnar is joined by four people who have already betrayed him. According to Hirst, two people will betray Ragnar once more.

More news and updates are expected to surface before season 4 of "Vikings" airs next year. 

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