Under Ninja

TV Show. Thousands of ninjas live in secret across Japan. One underachieving ninja spends his days doing nothing — until he receives a special mission.

Age Rating

• A
• NC16

Where can you watch Under Ninja?

Available on Netflix in the United Kingdom

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Available on Netflix in other countries

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Details »

• Netflix Hong Kong Available since: July 24, 2025 Seasons: S1(12) Audio: Japanese [Original] Subtitles: Chinese (Traditional), English, Japanese
• Netflix India Available since: May 10, 2025 Seasons: S1(12) Audio: Japanese [Original] Subtitles: English, Japanese
• Netflix Japan Available since: January 1, 2025 Seasons: S1(12) Audio: Japanese [Original] Subtitles: , English, Japanese
• Netflix Singapore Available since: May 10, 2025 Seasons: S1(12) Audio: Japanese [Original] Subtitles: Chinese (Traditional), English, Japanese, Malay
• Netflix South Korea Available since: May 10, 2025 Seasons: S1(12) Audio: Japanese [Original]
• Netflix Thailand Available since: May 14, 2025 Seasons: S1(12) Audio: Japanese [Original] Subtitles: Chinese (Traditional), English, Japanese, Thai

Is Under Ninja on Netflix UK?

Unfortunately, Under Ninja is not available on Netflix UK. However, it is available in the Netflix libraries of other countries and can be streamed using a VPN. Check out our guide on how to easily change your Netflix country, for example, to Hong Kong, where Under Ninja is currently available:

Age Rating

'Under Ninja' is rated suitable for viewers aged 16 and up. This indicates the presence of more mature themes, stronger language, or more intense violence. It's designed for a more mature audience, with content that younger viewers might find challenging.