Watch Unknown: Cave of Bones

Follows Paleo anthropologist Lee Berger in South Africa, as he and his team try to prove that the world's oldest graveyard, they found, is not human. A small brained, ape-like creature could have practiced complex burial rituals.

Unknown: Cave of Bones is a 2023 documentary with a runtime of 1 hour and 33 minutes. It has received mostly positive reviews from critics and viewers, who have given it an IMDb score of 6.7.