‘Vikings': English Kings Make Unholy Alliance to Fight Ragnar’s Motley Crew (Exclusive Video)

Rivals turned allies unite to face a common threat on Thursday night’s explosive episode

New alliances are formed on both sides of the North Sea in tonight’s episode of History’s “Vikings” — and in this exclusive scene, viewers finds out whether blood is thicker than the water that separates England from the marauding Northmen.

See video: ‘Vikings’ Linus Roache Talks Upcoming Rivalry Between Ragnar and Ruthless King of Wessex

King Ecbert (Linus Roach) makes an indecent proposal to his rival turned ally, King Aelle of Northumbria (Ivan Kaye), to seal their pact as they unite against the Viking invaders.

Also read: ‘Vikings’ Renewed for Season 3

“Vikings” airs at 10 ET.

Check back Friday for The Wrap’s interview with “Vikings” creator Michael Hirst about the explosive episode.