Quick Answer
Lagrange: The Flower of Rin-ne is streaming on Retrocrush, RetroCrush Amazon Channel. 12 episodes (~5h total watch time). Availability may vary by region.
Where to Watch Lagrange: The Flower of Rin-ne
Lagrange: The Flower of Rin-ne is currently on Retrocrush, RetroCrush Amazon Channel. Keep in mind that catalogs change by region — if you don't see it on your usual service, check the other platforms listed here.
Confirmed Streaming Platforms
Subscription availability by JustWatch
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Anime licensing changes by region. If Lagrange: The Flower of Rin-neisn't on your usual service, try these.
About Lagrange: The Flower of Rin-ne
Madoka Kyouno is an energetic girl who is full of passion. As the proud, and only, member of the Kamogawa Girls' High School Jersey Club, she goes around helping people in need. <br><br> Madoka's life is turned upside down when she is suddenly asked by a mysterious girl named Lan to pilot a robot. Motivated by her desire to protect the people and city of Kamogawa, Madoka agrees to pilot the resurrected Vox robot to fight against extraterrestrials that have come to attack Earth. <br><br>...
Full details on MyAnimePulseFrequently Asked Questions
Where can I watch Lagrange: The Flower of Rin-ne legally?
Right now, Lagrange: The Flower of Rin-ne is on Retrocrush, RetroCrush Amazon Channel. That said, anime licensing varies a lot by country — what's on Netflix in Japan might not be on Netflix in the US. If your go-to platform doesn't have it, try the other services listed above.
Is Lagrange: The Flower of Rin-ne on Netflix or Crunchyroll?
Can't confirm either right now. Both platforms rotate their catalogs pretty often, so it's worth searching directly on each one.
Is Lagrange: The Flower of Rin-ne available with an English dub?
Dub availability depends on the platform. Crunchyroll has been expanding their dubbed library a lot recently, and Funimation (now merged into Crunchyroll) historically had the biggest dub catalog. Check each platform's listing for Lagrange: The Flower of Rin-ne.
Can I watch Lagrange: The Flower of Rin-ne for free?
Crunchyroll offers a free ad-supported tier for some shows. Most other platforms require a subscription, but many offer free trials for new users. Tubi and Pluto TV occasionally have anime in their free rotation too.