Subscribe to the Realm Of Unknown: Subscribe for more videos about your .brbrWatch this official Vikings trailer featuring Lagertha. Dont miss the premiere of Season 4 on February 18th 109c. #Vikings Subscribe for more from Vikings and .brSous-titres à la demande : Traduction pour Katheryn Winnick France. Vidéo dorigine .brVikings Season 4 is coming to HISTORY in 2016. Subscribe for more from Vikings and other great HISTORY shows: .