On January 4, 2019, it was announced that the sixth season would be the series' final … Browse more photos from the Season 4, Episode 10: The Last Ship gallery, only on history.com. While Ivar and Igor continue to plot against Oleg, Kings Harald and Bjorn make frantic preparations to defend against the invasion,but the efforts of their quick work remain to be seen. Yes this season stalled, but we jumped right into battle in the midseason finale.