Where to watch
Not available in Philippines
Streaming in 1 other country
The Flat Sum isn't on any streaming service in Philippines right now, but it's available in Japan. Streaming rights are licensed per country.
More like this
Return of the Street Fighter
1974 · 6.1
9 Souls
2003 · 6.4
Battles Without Honor and Humanity: Deadly Fight in Hiroshima
1973 · 7.3
Female Yakuza Tale
1973 · 6.1
Bayside Shakedown 3: Set the Guys Loose
2010 · 5.0
Lupin the Third: Dead or Alive
1996 · 6.6
Bayside Shakedown 2
2003 · 6.1
Lupin the Third: The Mystery of Mamo
1978 · 7.0
Crows Zero II
2009 · 7.2
Boiling Point
1990 · 6.9
Lupin the Third: Farewell to Nostradamus
1995 · 6.5
Lupin the Third: The Columbus Files
1999 · 6.3
The Flat Sum — streaming FAQ
Which OTT platform streams The Flat Sum?
The Flat Sum isn't on any streaming service in Philippines yet, but it's available in Japan. Streaming rights differ by country — switch your country in the header to see where.
Is The Flat Sum on Netflix?
No, The Flat Sum is not on Netflix in Philippines as of October 2026.
Is The Flat Sum on Amazon Prime Video?
No, The Flat Sum isn't on Amazon Prime Video in Philippines right now.
Where can I watch The Flat Sum for free?
The Flat Sum isn't streaming in Philippines yet, so there's no way to watch it free at the moment.
