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Best Documentary TV Series of the 2020s

Top 500 most popular Documentary series that started in the 2020s

All Documentary series All series from the 2020s
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Rating patterns, computed from IMDb episode-rating trajectories. Deliberately strict: only shows with an unmistakable pattern carry one, so expect small numbers.

Rating patterns

Taste tags, judged by our AI taste model. They cover the 5,000 most-rated shows.

Tone & mood
Pacing & structure
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Emotional payoff
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500 series (top 500 shown)

Till Murder Do Us Part: Soering vs. Haysom

★ 7.0
4K 4 2023–2023
True crime · Docuseries

Fit for TV: The Reality of the Biggest Loser

★ 6.2
4K 3 2025–2025
Docuseries · Social commentary

How to Fix a Drug Scandal

★ 7.0
4K 4 2020–2020
Docuseries · True crime

American Conspiracy: The Octopus Murders

★ 6.7
4K 4 2024–2024
True crime · Docuseries

Phoenix Rising

★ 7.2
4K 2 2022–2022
True crime · Docuseries

Stanley Tucci: Searching for Italy

★ 8.6
4K 14 2021–2022
Food & cooking · Docuseries

Reality Check: Inside America's Next Top Model

★ 6.5
4K 3 2026–2026
Docuseries

McCartney 3,2,1

★ 8.7
4K 6 2021–2021
Music scene · Nostalgic

How to Change Your Mind

★ 7.9
4K 4 2022–2022
Docuseries · Nature & science

Last Chance U: Basketball

★ 8.3
4K 16 2021–present
Sports · Docuseries · Gritty

The Test: A New Era for Australia's Team"

★ 8.8
4K 15 2020–2024
Sports · Docuseries · Redemption

The Lost Pirate Kingdom

★ 6.6
4K 6 2021–present
Real history · Period piece

Cold Case: The Tylenol Murders

★ 6.5
4K 3 2025–2025
True crime · Docuseries

Trial by Media

★ 7.1
4K 6 2020–2020
True crime · Docuseries · Legal

Hulk Hogan: Real American

★ 7.6
4K 4 2026–2026
Docuseries · Sports · Nostalgic

Sex, Explained

★ 6.9
4K 5 2020–2020
Docuseries · Episodic

Perfect Wife: The Mysterious Disappearance of Sherri Papini

★ 7.3
4K 3 2024–2024
True crime · Docuseries

Bad Boy Billionaires: India

★ 7.8
4K 4 2020–2026
True crime · Docuseries

Heaven's Gate: The Cult of Cults

★ 7.2
4K 4 2020–2020
Docuseries · Faith & religion

Ted Bundy: Falling for a Killer

★ 7.8
4K 5 2020–2020
True crime · Docuseries

Our Universe

★ 7.6
4K 6 2022–2022
Nature & science · Wonder & awe

Get Gotti

★ 7.0
4K 3 2023–2023
True crime · Docuseries

The Man with 1000 Kids

★ 6.6
4K 3 2024–2024
Docuseries · Tight limited run

D.B. Cooper: Where Are You?!

★ 5.4
4K 4 2022–2022
True crime · Docuseries
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