Underdog
Underdog is not streaming on a US subscription app right now, as of October 5, 2026.
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
Where to watch
Not currently available for streaming in the US.
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