S01E0124:351. SMALL THREEPyontaro, 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.Episodes — Season 1
Season pageS01E0124:351. SMALL THREEPyontaro, 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.
S01E0224:332. MULTIVERSEStranded in a new world, the Small 3 realize they have incredible powers. They meet other versions of themselves and learn how this reality differs.
S01E0324:393. ALIENSFutaba'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.
S01E0424:204. MR. SEGAMIAs college student Segami struggles with his dystopian world, a hot schoolmate hands him an enticing flyer. Hoping to meet girls, he finds something else.
S01E0524:545. REBELLIONWith 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?
S01E0624:126. GAME ONThe Rebellion announces a guerrilla attack in Shibuya and Segami resolves to join. Meanwhile, a distraught Futaba stumbles upon a furry winged creature.
S01E0724:307. COUNTERATTACKAliens surround a sleeping Futaba! In Shibuya, Segami and his comrades fight fiercely but lose ground. As he retreats, he spots Tashiro under attack.
S01E0824:598. THE STRANGERSFutaba faces off against a squad of alien soldiers to protect her new friend. Facing heavy losses, Segami and the Rebellion turn to their secret weapon.
S01E0924:539. THE STRONG MENGenius commandeers an alien walker and leads a counterattack. But two fearsome alien soldiers are en route. Meanwhile, Doc and the others seek answers.
S01E1024:3010. TIME IS UPAs the Small 3 soar toward Shibuya, Genius runs out of options against a relentless alien warrior. Reinforcements arrive — but will it be enough?
S01E1124:4011. WE ARE “THUNDER ３”!!The "Small Three" arrive as live-streamed reinforcements to battle alien invaders, save Futaba, and officially debut as "THUNDER 3".
S01E1224:3812. FINAL ATTACKThe cry rings out around the world for the Thunder 3! Humanity's last hope and their saviors against the aliens!Where to stream Thunder 3
Subscription
Netflix
Netflix Standard with Ads
NetflixNetflix Standard with AdsAvailability provided by JustWatch via TMDB, details on TMDB. Offers in the United States, subject to change.
Thunder 3 synopsis
Unremarkably ordinary middle schoolers, Pyontaro, Hiroshi and Tsubame, wander into an extraordinary adventure when Pyontaro's little sister goes missing.
Thunder 3 cast
Thunder 3 trailer
About the series Thunder 3
Thunder 3 is a series (animation and sci-fi & fantasy), airing on Fuji TV since 2026. It has 1 season and 12 episodes of about 24 minutes each. The series is still airing. Cast members include Sayumi Suzushiro, Natsumi Kawaida and Eri Akiyama. It is rated 7.3/10 by 6 TMDB users.
Frequently asked questions about Thunder 3
Where to watch Thunder 3 online?
In the United States, Thunder 3 is available with a subscription on Netflix and Netflix Standard with Ads (source: JustWatch via TMDB, offers subject to change). Each episode has its own page with this information.
How many seasons of Thunder 3 are there?
Thunder 3 has 1 season for a total of 12 episodes.
Has Thunder 3 ended?
No, current status: returning series.
Who stars in Thunder 3?
The lead actors are Sayumi Suzushiro (Pyontaro (voice)), Natsumi Kawaida (Tsubame (voice)), Eri Akiyama (Hiroshi (voice)), Honoka Mitsubachi (Futaba Tezuka (voice)), Shogo Sakata (Doc (voice)).
