[s4e19] On The — Eve

: A central feature of the episode is Ivar the Boneless proving his worth as a strategist. He convinces his brothers to abandon traditional head-on tactics in favor of using the terrain to confuse and trap the English forces.

: The episode features notable historical inaccuracies, such as Prince Æthelwulf leading the defense against the Great Heathen Army at a time when he would have historically been dead for several years. [S4E19] On the Eve

is the nineteenth episode of the fourth season of the historical drama series Vikings , which first aired on January 25, 2017. The episode was written by series creator Michael Hirst and directed by Ben Bolt . Key Plot Features : A central feature of the episode is

: The episode features the first appearance of Jonathan Rhys Meyers as the warrior-bishop Heahmund, a character intended to serve as a foil for Ivar in subsequent seasons. Production Elements is the nineteenth episode of the fourth season

The episode serves as the penultimate chapter of Season 4, setting the stage for the Great Heathen Army's major confrontation with the Saxons.