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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 Last Night at Tremore Beach

★ 7.1
7K 8 2024–2024
Atmospheric · Secrets & lies

Gone for Good

★ 6.3
7K 5 2021–2021
Secrets & lies · Mystery box

Muted

★ 5.6
6K 6 2023–2023
Tight limited run

The Jetty

★ 6.4
6K 4 2024–2024
British TV · Tight limited run

Catching Killers

★ 7.2
6K 12 2021–2023
True crime · Docuseries

The Devil Judge

★ 8.2
6K 16 2021–2021
Dark tone · Legal · K-drama

The Frog

★ 6.8
6K 8 2024–2024
Tense · Secrets & lies · Dark tone

The Girl Before

★ 6.6
6K 4 2021–2021
Secrets & lies · Unsettling

SurrealEstate

★ 7.2
6K 30 2021–2025
Supernatural

Lincoln Rhyme: Hunt for the Bone Collector

★ 6.8
6K 10 2020–2020
Detective mystery · Tense

Vadhandhi

★ 7.9
6K 16 2022–present
Detective mystery · Slow burn

Showtrial

★ 7.4
6K 10 2021–2024
Class divide · Morally gray

The Penthouse: War in Life

★ 7.9
6K 52 2020–2021
Soap & telenovela · Revenge

Ju-on: Origins

★ 6.1
6K 6 2020–2020
Unsettling · Disturbing

Moriarty the Patriot

★ 8.0
6K 26 2020–2022
Antihero lead · Anime

The Mole

★ 7.5
6K 20 2022–present
Reality competition

Troppo

★ 7.5
6K 16 2022–present
Atmospheric · Detective mystery

Anthracite

★ 6.1
6K 6 2024–2024
Tight limited run · Secrets & lies

Harry Wild

★ 7.2
6K 34 2022–present
Detective mystery · Cozy

Chicken Nugget

★ 5.1
6K 10 2024–2024
Absurdist · Whimsical · K-drama

The Midwich Cuckoos

★ 6.7
6K 7 2022–2022
Unsettling · British TV · Tense

The Secret of Skinwalker Ranch

★ 6.5
6K 125 2020–present
Docuseries · Mystery box

Beacon 23

★ 5.6
6K 16 2023–2024
Space & sci-fi · Central duo

Ridley

★ 6.9
6K 12 2022–2024
Detective mystery · British TV
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