Skip to content
tellyflick
HomeDiscoverJournalLibraryActivityDiary
Search films, shows and peopleSign in
tellyflick

Keep track of every film and show you watch, and see what your friends love.

Follow TellyFlick
ExploreDiscoverJournalWhat to watch tonightComing upBrowse by genre
TellyFlickAboutGuidesTellyFlick PlusPrivacyTerms
Get the app
Coming soon toApp StoreGet it onGoogle Play
© 2026 TellyFlickFilm and TV data from TMDB. Streaming data by JustWatch. About · Privacy · Terms

Underdog

2019 · Maciej Kawulski · 111 min

Sign in to add this to your library, rate it and log it.

Sign in

Not streaming in the United States

It isn’t streaming anywhere right now.

Where to watch it in every country ›
Adtellyflick.com
Watch it with a friend

Invite a friend to TellyFlick and see what you both want to watch.

Invite a friend

Boris "Kos" Kosinski is a top MMA fighter. In the biggest battle of his life with his greatest rival, Denim Takaev, he makes a mistake that destroys his entire career. He loses everything. This failure brings him through a series of ups and downs, but it also pushes him to undertake a titanic effort to fight and win back respect and love

EEryk LubosBorys 'Kosa' KosińskiMamed KhalidovDeni TakevAleksandra PopławskaNina BoguckaEmma GiegżnoSonia BoguckaJanusz ChabiorTrener "Kosy"Tomasz WłosokTomekJarosław BoberekDziedzicKrzysztof KiersznowskiCieślakMariusz DrężekPuszkinBartosz ObuchowiczMądralaPiotr MiazgaSławomir MandesHHubert ChybowskiMichał Mikołajczak"Nagan"

Cast

EEryk LubosBorys 'Kosa' KosińskiMamed KhalidovDeni TakevAleksandra PopławskaNina BoguckaEmma GiegżnoSonia BoguckaJanusz ChabiorTrener "Kosy"Tomasz WłosokTomekJarosław BoberekDziedzicKrzysztof KiersznowskiCieślakMariusz DrężekPuszkinBartosz ObuchowiczMądralaPiotr MiazgaSławomir MandesHHubert ChybowskiMichał Mikołajczak"Nagan"

More like this

Beast
2026 · Film
In the Blood
2014 · Film
Dirt
2018 · Film
Never Back Down: No Surrender
2016 · Film
Embattled
2020 · Film
Jawbone
2017 · Film
The System
2022 · Film
Best of the Best 2
1993 · Film
Convict
2014 · Film
Run
1991 · Film
The Killer
2024 · Film
Cagefighter: Worlds Collide
2020 · Film
S.W.A.T.: Under Siege
2017 · Film
Hunting Season
2025 · Film