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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 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)

Snowball Earth

★ 6.5
352 13 2026–present
Adventure · Animation · Sci-Fi

Dynamo Dream

★ 8.4
347 4 2021–present
Fantasy · Sci-Fi

Ami Ki Tumi

★ 7.3
345 8 2023–present
Mystery · Sci-Fi · Thriller

MY3

★ 5.8
341 9 2023–present
Comedy · Romance · Sci-Fi

Mecha-Ude: Mechanical Arms

★ 6.4
322 12 2024–present
Action · Animation · Sci-Fi

Synchronous

★ 5.9
321 6 2021–2021
Drama · Sci-Fi · Thriller

Scarlet Nexus

★ 5.7
318 26 2021–2021
Action · Animation · Sci-Fi

Tokyo 24th Ward

★ 6.1
317 12 2022–2022
Animation · Mystery · Sci-Fi

Obvious Incredible

★ 6.5
313 10 2023–2024
Comedy · Sci-Fi

A Thousand Suns

★ 7.2
296 6 2023–2024
Sci-Fi

Circuit Breakers

★ 5.4
295 14 2022–2022
Family · Sci-Fi

Beyblade Burst Surge

★ 6.8
288 52 2020–2021
Animation · Family · Sci-Fi

Star Trek: Very Short Treks

★ 5.5
280 6 2023–2023
Animation · Comedy · Sci-Fi

API Cybersecurity 101

★ 8.3
279 10 2021–present
Sci-Fi

Ginormo

★ 8.2
278 7 2023–2023
Action · Comedy · Sci-Fi

The Best Immigrant

★ 6.4
272 5 2025–present
Drama · Sci-Fi · Thriller

Sny

★ 6.5
268 8 2022–2022
Mystery · Sci-Fi

Unseen

★ 6.5
261 8 2020–present
Drama · Sci-Fi

Futmalls

★ 6.5
260 8 2020–2020
Sci-Fi

Time Hustler

★ 5.8
256 7 2022–2022
Comedy · Sci-Fi · Western

Two Worlds

★ 7.2
252 10 2024–2024
Romance · Sci-Fi

Anaon

★ 5.7
251 6 2025–present
Drama · Fantasy · Sci-Fi

Alma-chan Wants to Be a Family!

★ 6.7
249 11 2025–present
Animation · Comedy · Sci-Fi

16bit Sensation: Another Layer

★ 6.4
249 13 2023–2023
Animation · Comedy · Sci-Fi
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