Children of Iron
Rikutaro and Mariko are in the same grade at an elementary school. They become brother and sister after Rikutaro's mother and Mariko’s father marry. After their marriage, the children become upset because they are teased by their classmates, so they hatch a plan to make their parents divorce.
Below are the streaming services currently carrying the movie “Children of Iron” in the United Kingdom, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in the United Kingdom can differ from other countries.
Where to watch Children of Iron in United Kingdom
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Not currently available on the supported providers in United Kingdom.
Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 23 Sept 2026.