What happens in What Might Have Been?
Spoilers for this episode and earlier events.
Ragnar grants Ubbe and Hvitserk arm rings so they may travel, and hears that he will die when a blind man sees him. A storm scatters the departing fleet. Rollo assures Charles that he will defend Paris and Gisla. Ecbert sends Æthelwulf and Alfred to Rome. In Francia, Ragnar experiences an image of his former farming life before the fleet discovers Rollo with its defenders.
- Season & episode
- Season 4, episode 6 of 20
- Series order
- 35 of 89
Story connections: Ragnar Lothbrok, Rollo, Ubbe and Hvitserk.
Identify a face in this episode.
Episode references: HISTORY season guide · Community episode record.

Key events and consequences
Taking younger sons aboard turns Ragnar's renewed campaign into their education in his leadership. Rollo meanwhile commits to defend the city his brother intends to attack. The fleet's discovery makes that division material: the family rivalry is now built into the defenses rather than remaining a private grievance.
- Ragnar grants Ubbe and Hvitserk arm rings so they may travel, and hears that he will die when a blind man sees him. A storm scatters the departing fleet.
- Rollo assures Charles that he will defend Paris and Gisla. Ecbert sends Æthelwulf and Alfred to Rome. In Francia, Ragnar experiences an image of his former farming life before the fleet discovers Rollo with its defenders.
Key characters

Ragnar Lothbrok
Ragnar grants Ubbe and Hvitserk arm rings so they may travel, and hears that he will die when a blind man sees him. A storm scatters the departing fleet.
Character story
Rollo
Rollo assures Charles that he will defend Paris and Gisla. Ecbert sends Æthelwulf and Alfred to Rome. In Francia, Ragnar experiences an image of his former farming life before the fleet discovers Rollo with its defenders.
Character story
Ubbe
Ragnar grants Ubbe and Hvitserk arm rings so they may travel, and hears that he will die when a blind man sees him. A storm scatters the departing fleet.
Character story
Hvitserk
Ragnar grants Ubbe and Hvitserk arm rings so they may travel, and hears that he will die when a blind man sees him. A storm scatters the departing fleet.
Character story
Lagertha
Character story
Bjorn Ironside
Character story
King Ecbert
Character story
Alfred
Rollo assures Charles that he will defend Paris and Gisla. Ecbert sends Æthelwulf and Alfred to Rome. In Francia, Ragnar experiences an image of his former farming life before the fleet discovers Rollo with its defenders.
Character storyLocations and story geography
Francia
The fleet encounters Rollo as a defender, making the return to Paris a confrontation with a former insider.
Rome
Ecbert sends Æthelwulf and Alfred away on a journey that invests in the younger generation's standing.
These are places in the story. For the real landscapes used on screen, explore the filming-location guide.
The episode breakdown
What changes in this episode
Ragnar grants Ubbe and Hvitserk arm rings so they may travel, and hears that he will die when a blind man sees him. A storm scatters the departing fleet. Rollo assures Charles that he will defend Paris and Gisla. Ecbert sends Æthelwulf and Alfred to Rome. In Francia, Ragnar experiences an image of his former farming life before the fleet discovers Rollo with its defenders.
Why it matters — original analysis
The title suggests a road the characters can picture but can no longer simply take. Ragnar’s imagined domestic past interrupts an expedition organized around another confrontation. Rollo is offered his own alternative, a return to his brother, but explicitly refuses it. The episode therefore approaches the coming battle through decisions already made rather than presenting the fight as a sudden breakdown in communication. Bringing younger sons along widens the audience inside the story: the next generation will see what the adults call loyalty and what those decisions cost.
Rewatch focus — original analysis
Distinguish the Seer’s wording from an explanation of it; this episode does not yet supply the complete fulfillment. Compare Ragnar’s question about his end with Rollo’s declaration about what he will defend. One seeks knowledge of a future, while the other commits himself to making one.
Themes to follow
- lost alternatives
- chosen allegiance
- prophecy