Gustaf Skarsgård, Alex Høgh Andersen, and "Vikings" exec producer Michael Hirst discuss how the close bond bewteen Floki and Ivar will be tested in Season 5. #Vikings

Vikings' Katheryn Winnick, Gustaf Skarsgård, Alexander Ludwig, Alex Høgh Andersen, and creator Michael Hirst talk about Season 5 of the History series.

What lies ahead for Ivar the Boneless in Season 5? Get caught up with actor Alex Høgh Andersen in this exclusive. #Vikings