Netflix Just Dropped Another Original Anime — Here's Why It Might Be Its Best Bet Yet

Netflix's weekly anime slate keeps expanding, and today marks the debut of the streaming platform's newest original series: Thunder 3, an adaptation of Yuki Ikeda's manga produced by Fuji TV, launching with 12 episodes and a genuinely stacked voice cast.

What Thunder 3 Is Actually About

The story follows Pyontaro, an ordinary middle schooler, alongside his two closest friends Tsubame and Hiroshi — together known as the "Small 3." Their quiet, unremarkable lives get upended the moment Pyontaro's cheerful younger sister, Futaba, suddenly vanishes without explanation. What starts as three kids trying to find a missing sibling quickly spirals into something far bigger than any of them expected, pulling the trio into a search that takes them somewhere none of them could have imagined at the start.

It's a premise built on a familiar emotional core — the bond between childhood friends — but filtered through a mystery/adventure structure that promises to escalate well past a simple "find the missing person" plot.

The Cast Behind It

Thunder 3 landed a genuinely notable voice cast for a new original series:

• Junya Enoki
• Yuuma Uchida
• Yuuichi Nakamura
• Junichi Suwabe
• Mikako Komatsu

That's a lineup with real industry pedigree behind it, which suggests Netflix and Fuji TV are treating this as more than just a quiet mid-season filler release.

Part of a Bigger Netflix Push

Thunder 3 isn't launching in isolation — it's the third new weekly anime Netflix has added to its original lineup this month alone, following Daemons of the Shadow Realm, which debuted earlier in July and follows a girl named Yura who's saved by village outsider Ryuu "Dera" Tadera, only for the two of them to accidentally summon a pair of daemons tied to uncovering the truth behind an attack on their village.

Taken together, this is part of a clear pattern: Netflix has been steadily building out a rotation of original weekly anime releases throughout 2026, rather than relying purely on licensing already-established hits. Combined with the platform's ongoing partnership with MAPPA (which is separately bringing the latest Jujutsu Kaisen season to Netflix this same month, following its Japanese broadcast ending back in March), it's clear Netflix is treating anime as a genuine year-round content pillar rather than a seasonal afterthought.

Why This Matters If You're Not Already Watching

If your anime-watching habits are built entirely around Crunchyroll simulcasts, it's worth remembering Netflix has quietly become a real destination for original weekly anime in its own right — not just a place to catch up on older licensed catalogs. Thunder 3 debuting today, alongside Daemons of the Shadow Realm's ongoing Sunday releases, means there are now multiple original anime series airing weekly exclusively through Netflix that won't show up in a typical Crunchyroll-focused watchlist.

Watch Original Anime on OtakuNaija Too

While Thunder 3 finds its footing, check out OtakuNaija's own Episodes section — original animated series, completely separate from major streaming platform originals like this one, and free to watch.

Are you adding Thunder 3 to your watchlist, or is your plate already full with everything else airing this summer? Let us know in the comments, and stay tuned as the series' first episodes roll out.