Vikings Season 4 (2016) 4x01 A Good Treason Entry to Valhalla eludes Ragnar but as he lies near death in Kattegat, events unfold beyond his control. Meanwhile, Kalf announces joint Earldom with Lagertha, but is power-sharing Kalf's true intention? Feb. 18, 2016 4x02 Kill the Queen 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. Feb. 25, 2016 4x03 Mercy Ragnar informs Floki of a 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. Mar. 03, 2016 4x04 Yol King Aelle goes to Wessex for Christmas and is not impressed with how family relations are developing; Rollo's future hangs in the balance. Mar. 10, 2016 4x05 Promised 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. Mar. 17, 2016 4x06 What Might Have Been 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. Mar. 24, 2016 4x07 The Profit and the Loss King Ecbert’s ambitions are uncovered as he schemes to gain the crown of Mercia; the Vikings attack with considerable force; Harbard, the mysterious wanderer, is back and causes a stir among the women of Kattegat Mar. 31, 2016 4x08 Portage 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. Apr. 07, 2016 4x09 Death All 'Round 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 conferred by Pope Leo but relations are not so cordial in Wessex between King Ecbert and the disgruntled King Aelle. Apr. 14, 2016 4x10 The Last Ship 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. Apr. 21, 2016 4x11 The Outsider 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. Nov. 30, 2016 4x12 The Vision 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. Dec. 07, 2016 4x13 Two Journeys 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. Dec. 14, 2016 4x14 Vikings Lagertha attempts to fulfill a long-held ambition; Ragnar negotiates an unexpected concession from King Ecbert. Dec. 21, 2016 4x15 All His Angels Ragnar and Ivar plot against the Saxons and reach a new level of understanding. Dec. 28, 2016 4x16 Crossings Bjorn's fleet sails onward and launches a surprise attack; back in Kattegat, Lagertha continues in her quest for power. Jan. 04, 2017 4x17 The Great Army The Viking army begins to gather in Kattegat; Lagertha must remain vigilant in the absence of her son, Bjorn. Jan. 11, 2017 4x18 Revenge Ragnar's plan comes to fruition; the Viking army lands on the coast of Northumbria. Jan. 18, 2017 4x19 On the Eve The Viking army causes panic in the English countryside as King Ecbert and Aethelwulf plan the defense of the realm. Jan. 25, 2017 4x20 The Reckoning Prince Aethelwulf finds himself subject to the Vikings' battle master plan; Ecbert remains behind with a plan of his own. Feb. 01, 2017