SMALL THREE
Pyontaro, 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.
2026-07-09 24m★ 7.0Now playing
Season 1 · 12 episodes · 1 credit each
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Episodes · Season 1
MULTIVERSE
Stranded in a new world, the Small 3 realize they have incredible powers. They meet other versions of themselves and learn how this reality differs.
2026-07-15 24m
ALIENS
Futaba'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.
2026-07-22 24m
MR. SEGAMI
As college student Segami struggles with his dystopian world, a hot schoolmate hands him an enticing flyer. Hoping to meet girls, he finds something else.
2026-07-29 24m
REBELLION
With 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?
2026-08-05 24m
GAME ON
The Rebellion announces a guerrilla attack in Shibuya and Segami resolves to join. Meanwhile, a distraught Futaba stumbles upon a furry winged creature.
2026-08-12 24m
COUNTERATTACK
Aliens surround a sleeping Futaba! In Shibuya, Segami and his comrades fight fiercely but lose ground. As he retreats, he spots Tashiro under attack.
2026-08-19 24m
THE STRANGERS
Futaba 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.
2026-08-26 24m
THE STRONG MEN
Genius commandeers an alien walker and leads a counterattack. But two fearsome alien soldiers are en route. Meanwhile, Doc and the others seek answers.
2026-09-02 24m
TIME IS UP
As the Small 3 soar toward Shibuya, Genius runs out of options against a relentless alien warrior. Reinforcements arrive — but will it be enough?
2026-09-09 24m★ 2.0WE ARE “THUNDER ３”!!
The "Small Three" arrive as live-streamed reinforcements to battle alien invaders, save Futaba, and officially debut as "THUNDER 3".
2026-09-16 24m★ 2.0
FINAL ATTACK
The cry rings out around the world for the Thunder 3! Humanity's last hope and their saviors against the aliens!
2026-09-30 24m★ 1.0Season 1 FAQ
How much does Thunder 3 season 1 cost?
Each episode costs 1 credit. Credits are $1 each, and unlocked episodes stay in your account permanently.
Do I need an account to watch Thunder 3?
Yes. Create an account and add credits before unlocking an episode. Signing up is free.
How many episodes are in Thunder 3 season 1?
This season has 12 episodes. They are listed in order below and the player advances automatically when an episode ends.