Unknown: Cave of Bones
2023| 1h 34m| IMDb 6.8
Unknown: Cave of Bones (2023) is currently streaming in the UK on Netflix. Last updated 20 January 2026.
Scientists examine underground clues from over 250,000 years ago that raise questions about our early relatives — and what it truly means to be human.
Director: Mark Mannucci
Stream
Streaming info last checked: 20 Jan 2026