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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)

I'll Be Gone in the Dark

★ 7.4
10K 7 2020–2021
True crime · Docuseries

The Edge of Sleep

★ 7.0
10K 6 2024–present
Mystery box · Unsettling

The Vendetta of An

★ 5.8
10K 28 2025–present
Revenge · Serialized

Debris

★ 6.5
10K 13 2021–2021
Mystery box · Central duo

Hightown

★ 6.9
10K 25 2020–2024
Addiction & vice

Magpie Murders

★ 7.6
10K 6 2022–2022
Detective mystery · Puzzle plot

Sins of Our Mother

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

Why Didn't They Ask Evans?

★ 7.0
10K 4 2022–2022
Period piece · Detective mystery

The Head

★ 6.8
10K 19 2020–present
Tense · Puzzle plot · Survival

Little Women

★ 7.7
10K 12 2022–2022
K-drama · Class divide

Mortal Wound

★ 7.0
10K 52 2021–2025
Serialized · Tense

The Big Door Prize

★ 6.5
10K 20 2023–2024
Small town · Ensemble cast

The Woods

★ 6.5
9K 6 2020–2020
Detective mystery · Secrets & lies

Professor T

★ 7.4
9K 30 2021–present
Genius lead · Detective mystery

Rudra: The Edge of Darkness

★ 6.7
9K 7 2022–2022
Detective mystery · Dark tone

Longing for You

★ 4.6
9K 14 2023–2023
Crime · Drama · Mystery

The Ark

★ 5.8
9K 36 2023–present
Space & sci-fi · Survival

The Survivors

★ 6.6
9K 6 2025–2025
Small town · Secrets & lies

If Wishes Could Kill

★ 7.0
9K 8 2026–2026
Unsettling · Dark tone

Woman of the Dead

★ 6.8
9K 12 2022–present
Revenge · Strong female lead

The Tower

★ 7.0
9K 11 2021–2024
Detective mystery · British TV

Found

★ 6.8
9K 35 2023–2025
Strong female lead

The Signal

★ 6.0
9K 4 2024–2024
Mystery box · Tight limited run

Equinox

★ 6.1
9K 6 2020–2020
Unsettling · Mystery box
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