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Best Sci-Fi TV Series of the 2020s

Top 500 most popular Sci-Fi series that started in the 2020s

All Sci-Fi 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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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)

Doctor Who

★ 6.1
26K 21 2023–2025
Time travel · Wonder & awe

Avenue 5

★ 6.7
25K 17 2020–2022
Cynical · Satirical · Dark comedy

La Brea

★ 5.8
23K 30 2021–2024
Survival · Mystery box

Constellation

★ 6.7
22K 8 2024–2024
Puzzle plot · Unsettling

Cassandra

★ 6.7
21K 6 2025–2025
Psychological horror · Unsettling

Extraordinary

★ 7.7
21K 16 2023–2024
British TV · Raunchy

The Time Traveler's Wife

★ 7.6
20K 6 2022–2022
Time travel · Love story

Motherland: Fort Salem

★ 7.3
20K 30 2020–2022
War & military · Supernatural

Brave New World

★ 7.0
19K 9 2020–2020
Dystopia · Social commentary

The Rig

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

Mrs. Davis

★ 7.3
15K 8 2023–2023
Experimental · Absurdist

Paper Girls

★ 7.3
13K 8 2022–2022
Time travel · Nostalgic

Teacup

★ 6.3
13K 8 2024–2024
Unsettling · Tense

Biohackers

★ 6.8
13K 12 2020–2021
Near-future tech

The Man Who Fell to Earth

★ 7.2
12K 10 2022–2022
Space & sci-fi · Outsider lead

The Institute

★ 6.7
11K 16 2025–present
Child's perspective · Unsettling

The Power

★ 6.7
11K 9 2023–2023
Female perspective

JL50

★ 7.3
11K 5 2020–2020
Time travel · Indian TV

Debris

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

Yakamoz S-245

★ 6.2
10K 7 2022–2022
Post-apocalyptic · Survival

Citadel: Honey Bunny

★ 6.2
9K 6 2024–2024
Espionage · Indian TV · Adrenaline

Welcome to Eden

★ 5.7
9K 16 2022–2023
Mystery box · Serialized

The Ark

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

The Signal

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