Vikings 4x04 Yol - Vikings 4x05 Ragnar and Floki are still at odds; Rollo makes great attempts to win over his new bride, Princess Gisla; Bjorns survival skills . Vikings 4x04 Promo Vikings Season 4 Episode 4 Promo!!! Check out this preview for Vikings Episode 4. Watch new episodes Thursdays 10/9c on History. #Vikings Subscribe for more from Vikings and other great . Vikings 4x04 Promo Season 4 Episode 4 Promo. Check out this preview for Vikings Episode 5. Watch new episodes Thursdays 10/9c on History. #Vikings Subscribe for more from Vikings and other great .
