The Deep Dark Sea
2025, English.
Sanctuaries in the Dark, a documentary about the deep sea. Sixgill sharks, ghost sharks (chimaeras), big-finned squid (Magnapinna), telescope octopuses, siphonophores (Bathyphysa), drifting jellyfish, and the silent abyss cleaning team: sea cucumbers and giant isopods. Visit hydrothermal vents, where chemosynthetic microbes feed oases of life with giant tubeworms (Riftia pachyptila) and Pompeii worms; glide over coral gardens of seamounts and ancient schools of sponges; watch as wooden and whale waterfalls transform darkness into cities of life; and pause at octopus farms, heated by gentle filtrations. This film features only real footage of deep-sea creatures, filmed by NOAA's incredible ocean exploration institutes and the Schmidt Oceanographic Institute.
- Runtime
- 0h 43m
- Post-credits
- None listed
- Language
- English
- Rated
- Check local
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Where to watch The Deep Dark Sea
The Deep Dark Sea isn’t streaming on any OTT platform in India yet; it released on 30 August 2025.
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Cast & crew
Details
- Released
- 30 August 2025
- Country
- United Kingdom
- Written by
- Leo Richards
Check ratings elsewhere
News & fan talk
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The Deep Dark Sea: quick answers
Is The Deep Dark Sea worth watching?
The Deep Dark Sea doesn’t have enough ratings for a verdict yet.
How long is The Deep Dark Sea?
The Deep Dark Sea runs 43 minutes (0h 43m).
Does The Deep Dark Sea have a post-credits scene?
None is listed for The Deep Dark Sea. Viewers tag these on TMDB, so a brand-new film may not be tagged yet.
The Deep Dark Sea parents guide: is it suitable for kids?
No age rating is listed for The Deep Dark Sea yet.
Which OTT platform is The Deep Dark Sea on?
The Deep Dark Sea isn’t streaming on any OTT platform in India yet; it released on 30 August 2025. (Checked 14 November 2026.)
What movies are like The Deep Dark Sea?
If you liked The Deep Dark Sea, try Deep Blue, Deepsea Challenge 3D, Deep Sea 3D.