Where to stream

Underdog: Part One

7.220202h 12mMovieDrama

Tells the story of three bottom-dog boxers who gets used as punching bags. Pro boxer Suenaga Akira fell off the path to greatness but still tries to crawl his way to the top. Omura Ryuta is a youngster who grew up in foster care. Miyagi…

DirectorMasaharu Take

WriterShin Adachi

ProducersKotaro Miyata·Yûji Hiratai

Where to watch

Not available in United States

Streaming in 2 other countries

Underdog: Part One isn't on any streaming service in United States right now, but it's available in Japan, Taiwan. Streaming rights are licensed per country.

Cast · Directed by Masaharu Take

More from Mirai Moriyama · Lead actor

Idaten: Tokyo Olympics Story

2019 · 7.8

Water Boys

2003 · 7.2

Thus Spoke Kishibe Rohan

2020 · 8.2

Kazama Kimichika: Kyojo Zero

NHK Special: Unsolved Cases

See all fromMirai Moriyama

More from Takumi Kitamura · Co-star actor

Don't Call It Mystery

Kazama Kimichika: Kyojo Zero

2023 · 6.9

Reboot

2026 · 7.7

FAKE MOTION - King of Ping Pong -

2020

See all fromTakumi Kitamura

More from Masaharu Take · Director

The Naked Director

2019 · 7.3

Like a Dragon: Yakuza

Transparent: Tribute to a Sad Genius

2001 · 6.9

Gonin 2

1996 · 6.9

We Shall Overcome Someday

2005 · 6.4

See all fromMasaharu Take

More like this

A Silent Voice: The Movie

2016 · 8.4

Rascal Does Not Dream of a Sister Venturing Out

Underdog: Part One — streaming FAQ

Which OTT platform streams Underdog: Part One?

Underdog: Part One isn't on any streaming service in United States yet, but it's available in Japan and Taiwan. Streaming rights differ by country — switch your country in the header to see where.

Is Underdog: Part One on Netflix?

No, Underdog: Part One is not on Netflix in United States as of November 2026.

Is Underdog: Part One on Amazon Prime Video?

No, Underdog: Part One isn't on Amazon Prime Video in United States right now.

Where can I watch Underdog: Part One for free?

Underdog: Part One isn't streaming in United States yet, so there's no way to watch it free at the moment.

Is there a sequel to Underdog: Part One?

Yes — Underdog: Part One is followed by Underdog: Part Two (2020) in the アンダードッグ.

Is there a prequel to Underdog: Part One?

Underdog: Part One is the first film in the アンダードッグ.

Is Underdog: Part One part of a trilogy?

No — Underdog: Part One is part of the アンダードッグ, which has 2 films.

How many movies are in the アンダードッグ?

There are 2 films in the アンダードッグ: Underdog: Part One (2020) and Underdog: Part Two (2020).