The Season 3 finale of Vikings , titled features Ragnar Lothbrok executing a daring "Trojan Horse" ruse to finally conquer the seemingly impenetrable city of Paris . Plot Summary
During the service, Ragnar leaps from his boat-shaped coffin, kills the Bishop, and takes Princess Gisla hostage . He forces the guards to open the city gates, allowing his warriors to swarm in and sack Paris . Vikings - Season 3Eps10
While sailing home, Ragnar finally reveals to Floki that he knows Floki was the one who murdered Athelstan . The Season 3 finale of Vikings , titled