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Best Action TV Series of the 2020s

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

All Action 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)

Record of Ragnarok

★ 6.6
13K 42 2021–present
Adrenaline · Anime

The Lazarus Project

★ 7.3
13K 16 2022–2023
Time travel · Serialized

Law & Order: Organized Crime

★ 7.7
13K 75 2021–2025
Criminal underworld

Echo 3

★ 6.5
13K 10 2022–2023
War & military · Serialized

D.P.

★ 8.2
13K 12 2021–present
War & military · Social commentary

Sky Rojo

★ 6.6
12K 24 2021–2023
Fast-paced · Chaotic energy

Adventure Time: Fionna & Cake

★ 8.6
12K 20 2023–present
Whimsical · Wonder & awe

Hit & Run

★ 7.0
12K 9 2021–2021
Fast-paced · Serialized · Tense

Tanaav

★ 7.5
12K 24 2022–present
Tense · Espionage · War & military

The Winchesters

★ 6.2
12K 13 2022–2023
Supernatural

NCIS: Hawai'i

★ 6.8
12K 54 2021–2024
Procedural · Easy watching

Tower of God

★ 7.4
12K 39 2020–2024
Deep worldbuilding · Anime

Helstrom

★ 6.7
11K 10 2020–2020
Supernatural · Dark tone

Golden Bull

★ 1.1
11K 6 2022–present
Action · Documentary · Drama

Twilight of the Gods

★ 7.2
11K 8 2024–2024
Adult animation · Graphic violence

Newtopia

★ 6.6
11K 8 2025–present
Survival · K-drama

CSI: Vegas

★ 7.4
11K 41 2021–2024
Procedural · Detective mystery

Trigger Point

★ 6.7
11K 24 2022–present
Tense · Adrenaline · British TV

Hit-Monkey

★ 7.7
11K 20 2021–2024
Adult animation · Dark comedy

A Shop for Killers

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

Mercy for None

★ 7.5
11K 7 2025–2025
Revenge · Criminal underworld

Renegade Nell

★ 7.4
11K 8 2024–2024
Strong female lead · British TV

To Be Hero X

★ 8.5
11K 24 2025–2025
Experimental · Stylized direction

In from the Cold

★ 6.3
11K 8 2022–2022
Espionage · Strong female lead
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