A year after a subglacial volcano erupts, mysterious elements from prehistoric times emerge from the melting ice, bringing unforeseen consequences.
Katla (Season 1)

From Under the Glacier (Episode 1) 7.6
Air date: 2021-06-17
Runtime: 44 min
Overview: A year after Katla's eruption, the shattered survivors are still grappling with the aftermath. Suddenly, an ash-caked woman appears on the glacier.

Ása (Episode 2) 7.6
Air date: 2021-06-17
Runtime: 48 min
Overview: Emerging from the shadows, a surprise visitor gets Gríma's full attention. As the ground beneath them shifts, Darri and Gunhild heed Katla's call.

The Mother (Episode 3) 7.5
Air date: 2021-06-17
Runtime: 52 min
Overview: The cold, cruel reality of life in Vík í Mýrdal comes home to Gríma. Darri studies his strange discovery in secret. Gunhild confronts the newcomer.

This Is Not Him (Episode 4) 7.5
Air date: 2021-06-17
Runtime: 42 min
Overview: Is this a dream or a nightmare? Unsettled, Gríma returns to the camp for answers while Darri heads to Vík for a reunion. A torn Þór grows enthralled.

Northerly Winds (Episode 5) 7.6
Air date: 2021-06-17
Runtime: 48 min
Overview: A shocking revelation that would ordinarily offer closure instead opens up a chasm of questions. History repeats itself as a deadly ash storm gathers.

Grima (Episode 6) 7.6
Air date: 2021-06-17
Runtime: 43 min
Overview: Face to face with an utter mystery, Gríma tries to understand her shadowy find. Rakel has a change of heart as Gísli deals with an unexpected arrival.

The Rock (Episode 7) 7.2
Air date: 2021-06-17
Runtime: 47 min
Overview: Sometimes shadows have minds of their own. At the scene of the accident, Rakel pours her heart out to Gríma. Darri canvases the crevasse for answers.

I Am You (Episode 8) 7.2
Air date: 2021-06-17
Runtime: 45 min
Overview: What's real, what isn't — and does it matter? The truth comes out, the fear grows and the mystery threatens to sweep away everything before it.

Seasons

Episodes 8