Snowball Earth April 3, 2026. Studio KAI, 13 eps, adventure. The short version: this is one of the few spring entries where the trailer made me want to reread the source.
The hook
Yukio was destroyed in battle and Tetsuo survived in an escape pod. After eight years in cold sleep, the escape pod finally lands back on Earth. But when Tetsuo emerges he finds a world in ruins, entirely frozen beneath a blanket of ice and snow—snowball Earth! What happened to humanity, how did the planet freeze over, and will Tetsuo be able to keep his last promise to Yukio? (Source: VIZ Media) What sells it isn't the premise. It's that the team understands the source's tone — restrained where most adaptations would underline, loud where the source itself goes loud.
The hands on it
The team is Studio KAI (committee: Nippon Television Network, dugout, ADK Emotions), and the choice matters: their last few shows have been the ones critics quietly recommend after they're done public-rating the loud titles.
When it airs
Fridays at 23:30 (JST). Episode count: 13. Same-day simulcast windows are on the usual Western streamers — check your local Crunchyroll, HIDIVE, or Hulu listing for the timed slot.
The case for it
6.62 from 2,647 early scores on MAL — useful context when the season hits saturation and watchlist trims become inevitable. Audience holding past week one usually means the source's emotional anchors are landing. Give it three episodes. If the third doesn't lock you in, drop it without guilt — but I'd bet money it does.