Best Documentary TV Series

3eyedraven's 15 top-rated documentary TV series — ordered by how strongly audiences rate them and how many actually voted, so the ranking reflects real consensus. Full details on each.

Welcome to Earth 2021 ★ 7.6

Through the Wormhole 2010 ★ 7.7

Into the Universe with Stephen Hawking 2010 ★ 7.8

Devil in the Family: The Fall of Ruby Franke 2025 ★ 8.2

Our Universe 2022 ★ 7.8

The Roosevelts: An Intimate History 2014 ★ 7.7

History's Greatest Mysteries 2020 ★ 7.8

The Age of A.I. 2019 ★ 8.1

Waco: American Apocalypse 2023 ★ 7.0

I AM A KILLER 2018 ★ 6.8

WWE 24 2015 ★ 6.8

The Man with 1000 Kids 2024 ★ 6.6

The Principles of Pleasure 2022 ★ 6.5

True Haunting 2025 ★ 6.3

The American Revolution 2025 ★ 5.9