Season 4, Episode 4: Yol

Alexander Ludwig as Bjorn, Vikings

Alexander Ludwig as Bjorn (Photo credit: Jonathan Hession)

Travis Fimmel as Ragnar, Alyssa Sutherland as Aslaug, Vikings

Travis Fimmel as Ragnar and Alyssa Sutherland as Aslaug (Photo credit: Jonathan Hession)

Travis Fimmel as Ragnar, Alyssa Sutherland as Aslaug, Vikings

Travis Fimmel as Ragnar and Alyssa Sutherland as Aslaug (Photo credit: Jonathan Hession)

Katheryn Winnick as Lagertha, Vikings

Katheryn Winnick as Lagertha (Photo credit: Jonathan Hession)

Katheryn Winnick as Lagertha, Vikings

Katheryn Winnick as Lagertha (Photo credit: Jonathan Hession)

Gustaf Skarsgård as Floki, Vikings

Gustaf Skarsgård as Floki (Photo credit: Jonathan Hession)

Vikings, Travis Fimmel as Ragnar, Dianne Doan as Yidu

Travis Fimmel as Ragnar and Dianne Doan as Yidu (Photo credit: Jonathan Hession)

Moe Dunford as Aethelwulf, Jennie Jacques as Judith, Vikings

Moe Dunford as Aethelwulf and Jennie Jacques as Judith (Photo credit: Bernard Walsh)