Where to watch
Not available in United Kingdom
Streaming in 1 other country
Caesium and the Girl isn't on any streaming service in United Kingdom right now, but it's available in Japan. Streaming rights are licensed per country.
Cast · Directed by Ryo Saitani
More from Masato Nagamori · Lead actor
More from Yūsuke Kawazu · Co-star actor
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Caesium and the Girl — streaming FAQ
Which OTT platform streams Caesium and the Girl?
Caesium and the Girl isn't on any streaming service in United Kingdom yet, but it's available in Japan. Streaming rights differ by country — switch your country in the header to see where.
Is Caesium and the Girl on Netflix?
No, Caesium and the Girl is not on Netflix in United Kingdom as of September 2026.
Is Caesium and the Girl on Amazon Prime Video?
No, Caesium and the Girl isn't on Amazon Prime Video in United Kingdom right now.
Where can I watch Caesium and the Girl for free?
Caesium and the Girl isn't streaming in United Kingdom yet, so there's no way to watch it free at the moment.
