Thunder 3 Anime Confirmed for Summer 2026: Cast, Story, and What to Expect

You know that feeling when a single announcement hits like thunder in your chest? Thunder 3 is getting a TV anime, and it’s set to arrive in July 2026 on Fuji TV’s +Ultra programming block, with broadcasts also planned on other networks.

Summer 2026: When the lightning breaks

This adaptation is no quiet rumor. An official anime site has opened, and it’s already carrying the spark: a teaser visual and a teaser promo video that frame the series’ strange, electric mood.

I’ve lived through that moment where you press play on a teaser and your mind starts sprinting ahead of the footage. You can almost hear the story calling you—like a door creaking open in a hallway you thought was empty.

The main cast you’ll hear in the storm

If you’re the kind of viewer who latches onto voices like lifelines, here’s the newly revealed main cast:

Which character do you think will pull you in first—Pyontarou’s drive, or Futaba’s danger?

A DVD, a parallel world, and a rescue that burns

The hook lands fast and sharp. Three ordinary schoolboys get their hands on a DVD said to open a gateway to a parallel universe. Then everything tilts: while their backs are turned, Futaba—Pyontarou’s little sister—crosses over and is kidnapped by aliens who have overtaken that version of Earth.

And here’s the twist that feels like striking a match in the dark: in that hyper-realistic world, the boys’ cartoonish bodies make them superhuman. So they go after Futaba—step by step, like running into a storm because someone you love is on the other side.

Where the manga stands right now

If you’re following the original story, here are the key milestones—clear, quick, and useful: