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 “Astronomical Ties,” this episode features Nina Kautsalo, a determined investigator known for her sharp instincts and dedication to uncovering the truth.

In this episode, Nina faces a perplexing case involving a mass carbon monoxide poisoning that has left a community in distress. As she digs deeper into the incident, she discovers an intriguing connection to an astronomical event that occurred 2000 years ago. This unexpected link adds a layer of mystery and complexity to the investigation, pushing Nina to explore both scientific and historical angles.

Viewers can expect tense moments as Nina navigates the challenges of her investigation. The episode will showcase her relentless pursuit of answers, highlighting her ability to connect seemingly unrelated dots. With the backdrop of the Arctic landscape, the story promises to be visually captivating as well as intellectually engaging.

As the episode unfolds, the stakes rise, and Nina must race against time to solve the mystery before more lives are affected. “Astronomical Ties” is set to deliver suspense and intrigue, making it a must-watch for fans of “Arctic Circle.” Tune in to Channel 4 to see how Nina unravels this chilling case.

What Time is the Episode On?

The episode of Arctic Circle will be broadcast on February 9 2026 on Channel 4 at 1:30 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.