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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)

Cyber Vaar

★ 7.6
12K 13 2022–present
Indian TV · Procedural

Apples Never Fall

★ 6.7
12K 7 2024–2024
Secrets & lies · Family saga

Annika

★ 7.3
12K 12 2021–2023
Detective mystery

The Mess You Leave Behind

★ 6.8
12K 8 2020–2020
Secrets & lies · Small town

Aranyak

★ 7.7
12K 8 2021–present
Small town · Indian TV

Obsession

★ 5.2
12K 4 2023–2023
Sexually explicit · Love story

56 Days

★ 6.7
12K 8 2026–present
Tense · Secrets & lies

Suspicion

★ 6.2
12K 8 2022–2022
Secrets & lies · Mystery box

Sunny

★ 6.5
12K 10 2024–2024
Near-future tech · Dark comedy

Suzhal - The Vortex

★ 8.1
12K 16 2022–present
Secrets & lies · Small town

Deadwater Fell

★ 6.5
12K 4 2020–2020
Tight limited run · Secrets & lies

Grace

★ 7.4
11K 24 2021–present
Detective mystery · British TV

Tiny Pretty Things

★ 5.9
11K 10 2020–2020
Soap & telenovela · Young adult

Heavenly Delusion

★ 7.9
11K 13 2023–2023
Post-apocalyptic · Anime

The Snow Girl

★ 6.8
11K 12 2023–2025
Secrets & lies · Dark tone

I Know What You Did Last Summer

★ 5.4
11K 8 2021–2021
Young adult · Secrets & lies

A Shop for Killers

★ 8.0
11K 16 2024–2026
K-drama · Adrenaline

Dark Desire

★ 6.5
11K 33 2020–2022
Sexually explicit

Yeh Kaali Kaali Ankhein

★ 7.0
11K 14 2022–present
Indian TV · Small town

Criminal Justice: Behind Closed Doors

★ 7.4
10K 2020–2020
Legal · Indian TV

McDonald & Dodds

★ 7.6
10K 11 2020–2024
Detective mystery · British TV

Pretty Little Liars: Original Sin

★ 7.0
10K 18 2022–2024
Young adult · Mystery box

Lady in the Lake

★ 6.0
10K 7 2024–2024
Female perspective

Sleeping Dog

★ 7.0
10K 6 2023–present
Detective mystery
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