Vikings: Gisla Confronts Rollo - Sneak Peek (Season 4, Episode 4) | History

Watch Knightfall, Mondays at 10/9c! Check out this sneak peek of Rollo and Gisla in Vikings Episode 4. Watch new episodes Thursdays 10/9c on History. #Vikings Subscribe for more from Vikings and other great HISTORY shows: HISTORY®, now reaching more than 98 million homes, is the leading destination for award-winning original series and specials that connect viewers with history in an informative, immersive, and entertaining manner across all platforms. The network’s all-original programming slate features a roster of hit series, epic miniseries, and scripted event programming. Visit us at for more info.