E1
Episode 1
Where to watch
Not available in United States
Streaming in 1 other country
Sumu Sumu isn't on any streaming service in United States right now, but it's available in Japan. Streaming rights are licensed per country.
Seasons & Episodes
E2
Episode 2
E3
Episode 3
E4
Episode 4
Cast · Directed by Takashi Sumita
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Sumu Sumu — streaming FAQ
Which OTT platform streams Sumu Sumu?
Sumu Sumu isn't on any streaming service in United States yet, but it's available in Japan. Streaming rights differ by country — switch your country in the header to see where.
Is Sumu Sumu on Netflix?
No, Sumu Sumu is not on Netflix in United States as of August 2026.
Is Sumu Sumu on Amazon Prime Video?
No, Sumu Sumu isn't on Amazon Prime Video in United States right now.
Where can I watch Sumu Sumu for free?
Sumu Sumu isn't streaming in United States yet, so there's no way to watch it free at the moment.
How many seasons does Sumu Sumu have?
Sumu Sumu has 4 seasons so far.
Are all episodes of Sumu Sumu out yet?
The 4 released seasons of Sumu Sumu are complete, but the show is still in production — a new season is expected.
Is there a Season 5 of Sumu Sumu?
A Season 5 of Sumu Sumu hasn't been officially confirmed yet.