Sunless poster
Where to stream

Sunless

20238mNRMovieDrama

As they pilot their submarine down into the world's deepest point, two researchers must debate pressing on when a crack in their window port grows.

DirectorBoris Vesselinov

Where to watch

Not streaming yet
Check back soon

Sunless was released on September 24, 2023 but we couldn't find it on any streaming service yet. Rights can change — try again later.

Get the app to be notified

Cast · Directed by Boris Vesselinov

BH
Ben Holtzmuller
ES
Erik Scilley

More from Ben Holtzmuller · Lead

Paradise
Paradise
2025 · 7.6
The Upshaws
The Upshaws
2021 · 7.6
No Vacancy
No Vacancy
2024
Piercing
Piercing
2022
Nate & John
Nate & John
2024 · 7.0
Catalina
Catalina
2022 · 5.7
We Have Notes
We Have Notes
2023
See all fromBen Holtzmuller

More like this

Hungry Hearts
Hungry Hearts
2015 · 6.5
The Color of Friendship
The Color of Friendship
2000 · 6.7
Here
Here
2024 · 6.5
Battleground
Battleground
1949 · 6.7
Eleanor the Great
Eleanor the Great
2025 · 6.9
Poor Cow
Poor Cow
1967 · 6.4
The Last Rifleman
The Last Rifleman
2023 · 6.7
Mansfield Park
Mansfield Park
2007 · 6.1
Won't Back Down
Won't Back Down
2012 · 6.1
Seeds of Yesterday
Seeds of Yesterday
2015 · 6.4
Hell and High Water
Hell and High Water
1954 · 6.0
I Believe in Unicorns
I Believe in Unicorns
2015 · 6.6

Sunless — streaming FAQ

Which OTT platform streams Sunless?

Sunless isn't streaming anywhere in Canada yet.

Is Sunless on Netflix?

No, Sunless is not on Netflix in Canada as of September 2026.

Is Sunless on Amazon Prime Video?

No, Sunless isn't on Amazon Prime Video in Canada right now.

Where can I watch Sunless for free?

Sunless isn't streaming in Canada yet, so there's no way to watch it free at the moment.

What is the OTT release date for Sunless?

Sunless hasn't started streaming in Canada yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around November 12, 2023. This is a prediction, not a confirmed date.