The BEST episodes of Arctic Circle season 4

Every episode of Arctic Circle season 4, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Arctic Circle season 4!

Arctic Circle is set in the unforgiving polar region, amidst the icy landscapes of Finnish Lapland. After Nina Kautsalo, a Finnish police officer, finds a dying prostitute in an old cabin in the wilderness, the ensuing criminal investigation takes a surprise twist when a deadly virus is discovered in the prostitute's blood. However, when Thomas Lorenz, a German virologist, travels to Lapland to investigate the virus, he and Nina suddenly find themselves in the middle of an exceedingly unusual criminal investigation that ends up forcing them outside the law.

Last Updated: 2/25/2025Network: Elisa ViihdeStatus: Continuing
A distant guest
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#1 - A distant guest

Season 4 - Episode 1 - Aired 1/1/2025

Nina continues as Ivalo's police chief. Her son Santeri is with her. Stenius comes to ensure security for an international conference. Nina investigates a major accident that turns out to be a mass murder.

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Mark of the Chosen
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#2 - Mark of the Chosen

Season 4 - Episode 2 - Aired 1/8/2025

They want to keep the mass murder investigation a secret. Aikio smells a burnt cart. A terrorist suspect arrives in Ivalo. The threat of terrorism, mass murder, and a brilliant comet in the sky seem to be connected.

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Scars of the past
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#3 - Scars of the past

Season 4 - Episode 3 - Aired 1/15/2025

Old events related to the religious sect are beginning to unravel. Nina interrogates Ossi about the past. Marita is warned about the prophecy. Aikio is shot. The police find out who is behind the mass murder.

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The last of his family
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#4 - The last of his family

Season 4 - Episode 4 - Aired 1/22/2025

Aikio's condition is serious. Nina identifies the terrorist wanted by the FBI. The motive for the mass murder is confirmed. In Ivalo Visiting astrophysicist Jonathan Sprout's life is in danger

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Johdatus (Introduction/Approach)
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#5 - Johdatus (Introduction/Approach)

Season 4 - Episode 5 - Aired 1/29/2025

Nina finds out about 40-year-old events and who the last representative of the Taimenen family is. Jarmo and Esko drive to the wilderness church. Tuomas kidnaps Santer. A desperate Nina decides to trust the guidance.

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