As of July 2026, Fortitude Season 1 aired in 2015 with 11 episodes — streaming now on Sky Go. Full episode guide and where to watch below.

Fortitude Season 1 poster

← Back to Fortitude

Fortitude Season 1

2015 11 Episodes Crime · Drama ⭐ 7/10

Right now you can watch Fortitude Season 1 on and — and it goes further with its ideas than most genre entertainment bothers to. Across 1 season, the show has had time to find its rhythm and keep it. 314 people have weighed in on TMDB, and the verdict leans heavily positive. Richard Dormer sets the tone, and the world-building does the rest. Available now — press play and find out why people keep recommending it.

Part of the current wave of titles people are actually watching, Fortitude Season 1 earns its spot. Fortitude Season 1 treats its concept seriously enough to follow it all the way through. A brutal murder is investigated in a small Arctic town. Richard Dormer and Sienna Guillory lead a cast that brings real weight to the material. It was aired in 2015. Fortitude Season 1 resists the temptation to explain everything, trusting the audience to sit with ambiguity. There is real craft here, even in the moments that do not fully land.

Fortitude Season 1 is satisfying on multiple levels — something to watch and something to think about after. It stands on its own even without an obvious comparison point. It is a manageable watch, easy to fit into a single week. Richard Dormer anchors it with a performance that makes the more abstract moments feel personal. If you have been burned by ambitious sci-fi before, this is the exception.

📡 Where to Watch Fortitude Season 1

🇬🇧 United Kingdom

🎬 Fortitude Season 1 — Episode Guide

In the remote Arctic town of Fortitude, two children make a remarkable find, while the discovery of a horrific crime brings a new arrival to the island that complicates Sheriff Dan Anderssen’s investigation.

Sheriff Anderssen and the police close in on their murder suspect, while DCI Morton follows a different line of enquiry.

Dan and Frank go in search of a suspect; however, Dan's feelings for Elena are threatening to overwhelm him. Morton, meanwhile, uncovers a new piece of evidence.

Following Dan's loss of control, Morton takes over the murder investigation. Elsewhere, Elena's mysterious past is about to catch up with her.

Shock waves reverberate around Fortitude as the killer is revealed, while Morton tunes his attention to the death of a scientist on the island months earlier.

While Morton uncovers new information about the death of Billy Pettigrew, Hildur makes a heart-breaking discovery. Another gruesome event occurs in Fortitude.

Panic sweeps through Fortitude as news of the second attack spreads. Dan and Morton must work together while Frank hopes the latest events will exonerate Liam.

While Frank takes the law into his own hands, DCI Morton closes in on the truth about Pettigrew's death. Vincent and Natalie also make a discovery.

DCI Morton pursues Henry Tyson into the Arctic wilderness in search of the truth, while worrying test results force Governor Odegard to take drastic action.

In the penultimate episode, the truth about Billy Pettigrew is revealed. In the lab, Natalie and Vincent probe the cause of the disturbing events in Fortitude.

The chilling thriller concludes with a dramatic and emotional finale. Vincent faces a life-threatening situation, while Dan must make a devastating decision.

🎭 Cast of Fortitude Season 1

Richard Dormer

Sienna Guillory

Sienna Guillory

Natalie Yelburton

Stanley Tucci

Mia Jexen

Officer Ingrid Witry

Michael Gambon

Sofie Gråbøl

Governor Odegard

Verónica Echegui

Verónica Echegui

Luke Treadaway

Vincent Rattrey

Darren Boyd

Markus Huseklepp

Johnny Harris

📋 All Seasons of Fortitude

Season 2 Season 3

Never Lose Track of Fortitude

TV Butler Pro lets you search every streaming service in seconds, tracks what you've watched, and works completely free. No app download needed.

🎩 Try TV Butler Pro Free