Grosha & Mr. B
Grosha & Mr. B is a charming detective comedy animation series following two investigator cats, Grosha & Mr. B, from the Special Investigations Bureau. Despite having polar opposite methodology and personality, they find themselves having to solve the most bizarre and mysterious cases together…and often unexpectedly.
Below are the streaming services currently carrying the TV show “Grosha & Mr. B” 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 Grosha & Mr. B 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: 16 Sept 2026.