Fortitude poster

Fortitude

★ 7.3 25K votes 2015–2018 3 seasons · 26 episodes Ended Sky Atlantic
AtmosphericMood and place thick enough to touch.This show: 10/10UnsettlingA creeping sense of unease and wrongness that gets under your skin.This show: 9/10DisturbingContent that lingers uncomfortably after the credits.This show: 8/10TenseSustained suspense and pressure from start to finish.This show: 8/10Dark toneShadowy mood and subject matter, a shade short of outright bleak.This show: 8/10Psychological horrorFear that comes from the mind: paranoia, sanity, perception.This show: 7/10Slow burnDeliberate pacing where the payoffs are earned over long stretches.This show: 7/10Small townA tight community where everyone knows everyone.This show: 7/10
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Starring
Richard DormerBjörn Hlynur HaraldssonSienna GuilloryMia JexenLuke TreadawaySofie Gråbøl
Written by
Simon Donald
Starring
Richard DormerBjörn Hlynur HaraldssonSienna GuilloryMia JexenLuke TreadawaySofie Gråbøl
Written by
Simon Donald
Ratings per Episode
246810
Votes per Episode
03006009001k

Fortitude Episode Ratings Heatmap

AvgE1E2E3E4E5E6E7E8E9E10E11E12
S17.57.37.37.47.57.57.57.47.57.87.57.57.3
S27.37.27.27.27.17.47.67.37.37.27.1
S36.46.76.86.45.9

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About

"Arctic noir that curdles into cosmic horror"

Fortitude is set in a remote Arctic town built on tourism and scientific research, where a brutal murder shatters the isolated community's fragile peace and uncovers something far stranger buried in the permafrost. The show opens as a chilly, atmospheric crime drama before tilting into full-blown horror and mystery, unafraid of slow dread and unsettling imagery. It's moody, deliberately paced, and carried by strong performances and a genuinely eerie sense of place. Later seasons swap much of the cast and lean harder into the supernatural, which divides viewers who fell for the quieter first-season mystery.

Watch it for

the suffocating Arctic atmosphere and slow-burn mystery that curdles into genuine horror.

Maybe skip if

you want a consistent cast and tone across seasons rather than a shifting ensemble.

Written by our AI editor to help you decide, spoiler-free by design.

All Seasons

Season 12015
7.57K1210h 12m
A brutal murder is investigated in a small Arctic town.
Season 22017
7.34K107h 28m
Season 32018
6.41K449m
In season 3, events of recent months have changed everyone in the small Arctic town of Fortitude. Cops, scientists and citizens are all struggling to deal with the fallout from the deaths of Hildur and Munk, the parasite’s malign influence and the vengeful shaman’s rampage. Dan Andersson has lost his way. He survived the parasite, the freezing waters of the Arctic sea, the drug overdose, kidnapping and crucifixion but now the sheriff of Fortitude is struggling to hold onto any sense of good and evil, right and wrong as his own world shifts and fractures. Michael Lennox is drinking himself to death, overwhelmed by grief and failure until a woman from the distant past appears in the town. Elsa Schenthal, responsible for so much calamity. And now she offers Michael a chance at some kind of redemption. And all the time the ghosts of the unquiet dead are flickering at the edges of this frozen, isolated, Arctic world.

Full Cast & Crew

Cast

Richard Dormer Dan Anderssen
Björn Hlynur Haraldsson Eric Odegard
Sienna Guillory Natalie Yelburton
Mia Jexen PC Ingrid Witry, PC Ingrid
Luke Treadaway Vincent Rattrey
Sofie Gråbøl Hildur Odegard, Governor Hildur Odegard, Hildur Odergard
Alexandra Moen Petra, Petra Bergen
Verónica Echegui Elena Ledesma
Darren Boyd Markus Huseklepp, Markus Husekleppe
Dennis Quaid Michael Lennox

Crew

Simon Donald

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