[s4e1] A Good Treason (2025)

With Ragnar ill, Queen Aslaug consults the Seer about her own future on the throne, showing a clear shift in her loyalty.

Bjorn takes command, though his decision to arrest Floki is met with mixed emotions from a recovering Ragnar. [S4E1] A Good Treason

The biggest shock of the premiere comes from Bjorn Ironside. In a bold move to establish his own authority while his father is incapacitated, Bjorn publicly arrests Floki for the murder of Athelstan. This sets a dark tone for the season, as Floki is left bound in the town center to face judgment. With Ragnar ill, Queen Aslaug consults the Seer

While Ragnar struggles at home, Rollo remains in Paris to secure his new position. In a move that justifies the episode's title, Rollo fully embraces his "treason" by slaughtering the Viking camp left behind, choosing his new life as a Frankish noble over his own kin. In a bold move to establish his own