Underdog: Part One
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We checked 8 streaming services in India on 06 Jun 2026 at 17:17 IST
About
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 Shun, a TV celebrity with famous parents, takes a shot at boxing as part of a TV show. Three underdogs with very different back stories put their pride on the line as they exchange blows.
Cast
Mirai Moriyama
as Akira Suenaga
Takumi Kitamura
as Ryuta Omura
Ryo Katsuji
as Shun Miyagi
Kumi Takiuchi
as Akemi
Mami Kumagai
as Kaneko
Asami Mizukawa
as Yoshiko
Ami Tomite
as Ai
Minori Hagiwara
as Kana
Makoto Ashikawa
as
Ryutaro Ninomiya
as Kida
Morio Kazama
as Kozaburo
Akira Emoto
as Sakuro
Shuhei Uesugi
as Tabuchi
Chise Niitsu
as Miku
Satoshi Eishima
as TV comedian
Aoba Kawai
as Akira's mother
Yuumi Kawai
as
Shinji Takehara
as
Tomochika
as
Masao Yoshii
as
Where does Underdog: Part One rank today?
Underdog: Part One is #10000 on the CineFlixo Daily Streaming Charts today.
- Highest: #10000
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Watch Underdog: Part One Online Free in HD
Looking for a place to watch Underdog: Part One online for free? You've landed on the right page. Underdog: Part One is a well-rated Japonés drama movie from 2020 that you can stream right now on CineFlixo in high quality, no signup required.
About Underdog: Part One
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 Shun, a TV celebrity with famous parents, takes a shot at boxing as part of a TV show. Three underdogs with very different back stories put their pride on the line as they exchange blows. Running 132 minutes.
Underdog: Part One Cast and Characters
The cast features Mirai Moriyama (as Akira Suenaga), Takumi Kitamura (as Ryuta Omura), Ryo Katsuji (as Shun Miyagi), Kumi Takiuchi (as Akemi), and Mami Kumagai (as Kaneko). Their performances are a major reason Underdog: Part One has built such a passionate audience.
Where to Watch Underdog: Part One Online
CineFlixo lets you stream Underdog: Part One online free, instantly, in HD. There's nothing to install — open the page, hit play, done. Works perfectly on Jio, Airtel, Vi networks across India and on slow mobile data thanks to our adaptive video pipeline.
▶ Watch Underdog: Part One NowWhy People Are Watching Underdog: Part One
Underdog: Part One flies under the radar but it deserves your attention. What makes it work is emotional weight that hits where it counts. If you enjoy Japonés storytelling that doesn't follow the same tired beats, this is the kind of film you'll end up recommending to friends.
Frequently Asked Questions about Underdog: Part One
Where can I watch Underdog: Part One online for free?
You can watch Underdog: Part One online free on CineFlixo. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How long is Underdog: Part One?
Underdog: Part One runs for 132 minutes (about 2.2 hours).
Is Underdog: Part One good? What's the rating?
Underdog: Part One holds a 7.2/10 rating based on 7 reviews — well above average.
Who is in the cast of Underdog: Part One?
The main cast includes Mirai Moriyama, Takumi Kitamura, Ryo Katsuji, and Kumi Takiuchi, plus a strong supporting ensemble.
Is Underdog: Part One available in Japonés?
Yes — Underdog: Part One was originally produced in Japonés and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.
When was Underdog: Part One released?
Underdog: Part One was released in 2020.
Do I need an account to watch Underdog: Part One on CineFlixo?
No. CineFlixo is free and you can watch Underdog: Part One without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
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Frequently Asked Questions
Common questions about Underdog: Part One
Where can I watch Underdog: Part One for free?
You can watch Underdog: Part One (2020) online for free on CineFlixo. Just click "Watch Free" on this page to start streaming instantly — no account, subscription, or downloads required.
What is Underdog: Part One about?
Underdog: Part One is a Drama film. 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 Shun, a TV celebrity with famous parents, takes a shot at boxing as part of a TV show. Three underdogs with very different back stories put their pride on the line as they exchange blows.
When was Underdog: Part One released?
Underdog: Part One was released on November 27, 2020. It has a runtime of 2h 12m.
Who stars in Underdog: Part One?
Underdog: Part One stars Mirai Moriyama, Takumi Kitamura, Ryo Katsuji and Kumi Takiuchi. The full cast list is available in the Cast section above.
Is Underdog: Part One available in HD?
Yes, Underdog: Part One is available to stream in high definition (HD) on CineFlixo. Our players automatically deliver the best quality your connection supports — no extra setup needed.