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Best Mystery TV Series of the 2020s

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

All Mystery series All series from the 2020s
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Genres

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

Decades

By first-air year. Several selections widen the range; a specific year narrows within its decade.

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Tags

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
Format & audience
Viewing-culture clusters
Intensity & content character
500 series (top 500 shown)

The King: Eternal Monarch

★ 8.1
20K 16 2020–2020
K-drama · Love story · Time travel

White Lines

★ 6.6
20K 10 2020–2020
Secrets & lies · Mystery box

The North Water

★ 7.6
20K 5 2021–2021
Bleak · Gritty · Dark tone

Flower of Evil

★ 8.5
20K 16 2020–2020
Secrets & lies · K-drama

Katla

★ 7.0
20K 8 2021–2021
Atmospheric · Slow burn

We Were Liars

★ 6.8
19K 16 2025–present
Elites & privilege · Young adult

The Hunting Wives

★ 6.8
19K 17 2025–present
Secrets & lies

Scarpetta

★ 6.0
19K 16 2026–present
Detective mystery

School Spirits

★ 7.6
19K 25 2023–present
Supernatural · Young adult

One of Us Is Lying

★ 6.9
18K 16 2021–2022
Young adult · School & campus

Echoes

★ 6.0
18K 7 2022–2022
Secrets & lies · Mystery box

Deadloch

★ 7.5
18K 14 2023–present
Small town · Dark comedy

The Rig

★ 5.9
18K 12 2023–present
Atmospheric · Unsettling · Tense

Who Killed Sara?

★ 6.4
18K 25 2021–2022
Revenge · Secrets & lies

The Jengaburu Curse

★ 7.5
17K 7 2023–present
Indian TV · Social commentary

Code M

★ 7.3
17K 16 2020–present
Indian TV · Detective mystery

Secrets We Keep

★ 7.0
17K 6 2025–2025
Secrets & lies

Utopia

★ 6.7
17K 8 2020–2020
Graphic violence · Mystery box

Three Pines

★ 7.2
17K 8 2022–2022
Detective mystery · Small town

Death and Other Details

★ 6.7
17K 10 2024–2024
Detective mystery

Murderville

★ 6.9
17K 6 2022–2022
Easy watching · Procedural

The Night Manager

★ 7.6
17K 8 2023–present
Espionage · Indian TV · Tense

Smoke

★ 6.6
16K 9 2025–2025
Unreliable narrator

The Åre Murders

★ 6.7
16K 5 2025–present
Nordic noir · Detective mystery
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