Where to watch Vikings Season 6 Online ? First of all, here are some lines about the summary of this season : The final season finds Bjorn now the king of Kattegat, while Ivar is a fugitive in Russia and Lagertha plans a peaceful retirement to a country farm... Now! Prepare yourself to watch Vikings Season 6 online free. Please help us by sharing Vikings Season 6 with your friends. Thank you for your support! Good viewing.