[2][3] The premise of the fifth season differs from the previous four after the departure of Travis Fimmel as Ragnar, and it follows the adventures of his living sons.

Morgan O'Sullivan, Sheila Hockin, Sherry Marsh, Alan Gasmer, James Flynn, John Weber, and Michael Hirst are credited as executive producers.

[8] At the same time that the series was renewed for a fifth season, it was announced that Irish actor Jonathan Rhys Meyers would be joining the cast, as Heahmund, a "warrior bishop".

"[4] Former WWE star Adam Copeland was cast in a recurring role for the fifth season, as Kjetill Flatnose, a violent and bold warrior.

[10] Nigerian actor Stanley Amuzie told local media he had landed a small role in the fifth season.

[11] The fifth season also includes Irish actor, musician and real-life police detective, Kieran O'Reilly, who plays the role of White Hair.

[12] In April 2017 it was announced that Danish actor Erik Madsen had joined the cast for the fifth season, as King Hemming.

[15] An additional original song not included in the album is "Skidarima", written and performed by Einar Selvik and featured in "Homeland".

The consensus reads: "Brutal battles and epic quests help Vikings' fifth season remain an engaging, exciting journey.