Subscribe to the Realm Of Unknown: Subscribe for more videos about your .<br><br>Watch this official Vikings trailer featuring Lagertha. Dont miss the premiere of Season 4 on February 18th 10/9c. #Vikings Subscribe for more from Vikings and .<br>Sous-titres à la demande : Traduction pour Katheryn Winnick France. Vidéo dorigine .<br>Vikings Season 4 is coming to HISTORY in 2016. Subscribe for more from Vikings and other great HISTORY shows: .
