Free documentaries to watch online

Documentaries land on free services faster than fiction, because their commercial window is shorter and their shelf life is longer. That combination makes this one of the better free categories.

Showing 1–18 of 30 · page 1 of 2 · all lists

FREE★ 7.1

TT for Life

2026·1h 27m·Documentary

Free on Plex

FREE★ 6.5

Columbine Shooting: Minute by Minute

2026·45m·Documentary

Free on Plex

FREE★ 5.2

Land Looters

2026·1h 15m·Documentary

Free on Plex

FREE★ 3.7

Dark Alliance: The Next Generation

2025·2h 23m·Documentary

Free on Plex

FREE★ 7.3

A Love Letter To The Beatles

2025·2h 0m·Music

Free on Plex

FREE★ 6.6

The Rendlesham UFO: The British Roswell

2025·1h 54m·Documentary

Free on Plex

FREE★ 9.8

Space Chasers

2025·52m·Documentary

Free on Plex

FREE★ 9.5

Shaken and Stirred: The Story of Flair Bartending

2025·1h 42m·Documentary

Free on Plex

FREE★ 4.7

WWII Declassified: The New World Rescues the Old

2025·1h 0m·Documentary

Free on Plex

FREE★ 4.3

Diddy: Monster's Fall

2025·1h 0m·Documentary

Free on Plex

FREE★ 5.6

The Alien Perspective

2025·46m·Documentary

Free on Plex

FREE★ 3.5

Aliens Living Among Us

2025·45m·Documentary

Free on Plex

FREE★ 4.1

A Map of the World in Time

2025·1h 17m·Documentary

Free on Plex

FREE★ 6.8

Stripper Boyz

2024·1h 16m·Comedy

Free on Plex

FREE★ 4.7

The Great Warning

2024·1h 38m·Documentary

Free on Plex

FREE★ 5.7

Keanu Reeves: The One and Only

2024·50m·Documentary

Free on Plex

FREE★ 7.6

Life After the NeverEnding Story

2024·1h 31m·Documentary

Free on Plex

FREE★ 3.5

Billie Eilish: Unfiltered

2024·44m·Documentary

Free on Plex