A Light in the Darkness poster
Where to stream

A Light in the Darkness

20261h 7mMovieDocumentary

Venturing into intricate cave systems, the deep oceans, and subterranean aquifers where light barely reaches, we meet the scientists who have dedicated their lives to creatures who have evolved in perpetual darkness, working…

DirectorRyan Patrick Killackey
WritersRyan Patrick Killackey·Malaika Vaz
ProducersRyan Patrick Killackey·Michael James Killackey Sr.

Where to watch

Release date for theatres
October 11, 2026

A Light in the Darkness is set to release on October 11, 2026 and isn't in cinemas or streaming yet. Streaming usually follows about 6–8 weeks after release (estimated around November 29, 2026).

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Cast · Directed by Ryan Patrick Killackey

GSGeorge Stephanopoulos
George Stephanopoulos
Narrator
DF
Dante Fenolio
Self
OS
Okada Sumio
Self
ZY
Zhao Yahui
Self
GA
Gregor Aljančič
Self
NR
Nathan Robinson
Self

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A Light in the Darkness — streaming FAQ

Which OTT platform streams A Light in the Darkness?

A Light in the Darkness isn't streaming anywhere in United Kingdom yet.

Is A Light in the Darkness on Netflix?

No, A Light in the Darkness is not on Netflix in United Kingdom as of September 2026.

Is A Light in the Darkness on Amazon Prime Video?

No, A Light in the Darkness isn't on Amazon Prime Video in United Kingdom right now.

Where can I watch A Light in the Darkness for free?

A Light in the Darkness isn't streaming in United Kingdom yet, so there's no way to watch it free at the moment.

What is the OTT release date for A Light in the Darkness?

A Light in the Darkness hasn't started streaming in United Kingdom yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around November 29, 2026. This is a prediction, not a confirmed date.