Arctic Circle S5E1 9 February 2026 on Channel 4

On Monday 9 February 2026, Channel 4 broadcasts Arctic Circle!

Season 5 Episode 1 Episode Summary

The upcoming episode of “Arctic Circle” promises to be a thrilling ride for fans of the series. Titled “The Cosmic Connection,” this episode will air soon on Channel 4. It features the determined investigator Nina Kautsalo as she delves into a mysterious case that has the potential to shake up the small Arctic community.

In this episode, Nina uncovers a shocking incident of mass carbon monoxide poisoning. The event has left many residents in danger, and the stakes are high as she tries to find out what happened. As Nina digs deeper, she discovers a strange link to an astronomical event that took place 2,000 years ago. This connection raises questions about the past and its impact on the present, adding an intriguing layer to the investigation.

Viewers can expect suspense and unexpected twists as Nina races against time to solve the mystery. With her sharp instincts and dedication, she will face challenges that test her skills and resolve. The episode promises to blend elements of science and history, making it a captivating watch for fans of the series.

As the story unfolds, the audience will be drawn into the chilling atmosphere of the Arctic setting, where every clue could lead to a breakthrough or a dead end. “The Cosmic Connection” is sure to keep everyone on the edge of their seats, eager to see how Nina will unravel this complex case.

What Time is the Episode On?

The episode of Arctic Circle will be broadcast on February 9 2026 on Channel 4 at 1:35 AM.

Is the Episode New?

The episode of Arctic Circle is all new!

Arctic Circle Cast & Stars

Main Cast

Episode Videos & Previews

Watch Arctic Circle Online

Watch the show online

Arctic Circle Series Information

Gripping Finnish crime drama from Walter Presents. While trying to sustain a family life, detective Nina Kautsalo takes on dangerous cases that straddle the border between Russia and Finland.