Popsugar Entertainment Jonathan Rhys Meyers Vikings Season 5 Details 4 Things We Already Know About Vikings Season 5 March 26, 2016 by Maggie Panos View On One Page Photo 3 of 4 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 The Episode Count While the first three seasons feature 10 episodes each, the fifth season (like season four) will be 20 episodes long. Previous Next Start Slideshow Jonathan Rhys MeyersVikings TV ShowTV