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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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Genres as assigned by IMDb. Selecting several means a show must match all of them.

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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
Humor style
Themes & subject matter
Characters & perspective
Emotional payoff
Craft & style
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Intensity & content character
500 series (top 500 shown)

McMillions

★ 7.2
10K 6 2020–2020
True crime · Docuseries

Into the Fire: The Lost Daughter

★ 7.6
10K 2 2024–2024
True crime · Docuseries

Terim

★ 6.4
10K 4 2022–2022
Sports · Docuseries

Untold

★ 7.2
10K 31 2021–present
Docuseries · Sports · Anthology

Sins of Our Mother

★ 7.0
10K 3 2022–2022
True crime · Docuseries

James May: Our Man in...

★ 8.2
10K 15 2020–2024
Docuseries · Easy watching

The Pharmacist

★ 7.7
10K 4 2020–2020
True crime · Docuseries

American Manhunt: The Boston Marathon Bombing

★ 7.5
9K 3 2023–2023
True crime · Docuseries · Tense

High Score

★ 7.4
9K 6 2020–2020
Docuseries · Nostalgic

Waco: American Apocalypse

★ 7.0
9K 3 2023–2023
Docuseries · Faith & religion

Are You Sure?!

★ 8.7
9K 16 2024–2025
Feel-good · Family-safe · Episodic

Pretend It's a City

★ 8.0
9K 7 2021–2021
Big city life · Dialogue-driven

Depp V Heard

★ 5.3
9K 3 2023–2023
Docuseries · Legal

Fear City: New York vs the Mafia

★ 7.1
9K 3 2020–2020
True crime · Docuseries

The Puppet Master: Hunting the Ultimate Conman

★ 6.9
9K 3 2022–2022
True crime · Docuseries

Bad Vegan: Fame. Fraud. Fugitives.

★ 5.9
9K 4 2022–2022
True crime · Docuseries

This Is the Zodiac Speaking

★ 7.2
9K 3 2024–2024
True crime · Docuseries

The Most Hated Man on the Internet

★ 6.8
9K 3 2022–2022
True crime · Docuseries

American Murder: Laci Peterson

★ 7.0
9K 3 2024–2024
True crime · Docuseries

The Dinosaurs

★ 7.5
9K 4 2026–2026
Nature & science · Wonder & awe

Cosmos: Possible Worlds

★ 9.0
9K 13 2020–2020
Nature & science · Wonder & awe

Challenger: The Final Flight

★ 7.8
9K 4 2020–2020
Docuseries · Real history

Madoff: The Monster of Wall Street

★ 7.3
8K 4 2023–2023
True crime · Docuseries

Down to Earth with Zac Efron

★ 8.0
8K 16 2020–2022
Docuseries
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