Series

Watch Thunder 3 (2026) Online

8.73 votes2026TV-14Returning SeriesAnimationSci-Fi & FantasyOfficial site

Synopsis

Unremarkably ordinary middle schoolers, Pyontaro, Hiroshi and Tsubame, wander into an extraordinary adventure when Pyontaro's little sister goes missing.

Episodes

Season 1

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1. SMALL THREENow viewing2026-07-0924m7.0Pyontaro, Hiroshi and Tsubame — the Small 3 — load up an odd disc from their teacher. When they're not looking, Pyontaro's little sister Futaba vanishes.
2. MULTIVERSE2026-07-1524mStranded in a new world, the Small 3 realize they have incredible powers. They meet other versions of themselves and learn how this reality differs.
3. ALIENS2026-07-2224mFutaba's abductors subject her to tests, but she just wants her big bwudder. The Small 3 continue the search for Futaba and encounter a tense standoff.
4. MR. SEGAMI2026-07-2924mAs college student Segami struggles with his dystopian world, a hot schoolmate hands him an enticing flyer. Hoping to meet girls, he finds something else.
5. REBELLION2026-08-0524mWith his mind in a whirl, Segami runs into the Small 3. They witness a bold fighter pilot pit his life against an alien ship. Will it light a fire?
6. GAME ON2026-08-1224mThe Rebellion announces a guerrilla attack in Shibuya and Segami resolves to join. Meanwhile, a distraught Futaba stumbles upon a furry winged creature.
7. COUNTERATTACK2026-08-1924mAliens surround a sleeping Futaba! In Shibuya, Segami and his comrades fight fiercely but lose ground. As he retreats, he spots Tashiro under attack.
8. TBA2026-08-2624m
9. TBA2026-09-0224m
10. TBA2026-09-0924m
11. TBA2026-09-1624m
12. TBA2026-09-2324m

Cast

Top Billed Cast

Sayumi Suzushiro
Pyontaro (voice)
Natsumi Kawaida
Tsubame (voice)
Eri Akiyama
Hiroshi (voice)
No photo
Honoka Mitsubachi
Futaba Tezuka (voice)
Shogo Sakata
Doc (voice)
Taito Ban
Yuuki Hirose
Ryoko Maekawa
Haruki Ishiya

Availability

Where To Watch Legally

Stream

Streaming availability data provided by JustWatch.

FAQ

Frequently Asked Questions

Is Thunder 3 available to watch online?

Yes - see the "Where to watch legally" section on this page for streaming, rental and purchase options.

How many seasons does Thunder 3 have?

Thunder 3 has 1 season and 12 episodes.

When did Thunder 3 first air?

Thunder 3 first aired in 2026.

Is Thunder 3 still running?

Yes, Thunder 3 is an ongoing series.

What genre is Thunder 3?

Thunder 3 is classified as Animation, Sci-Fi & Fantasy.