90 boxers of all ages and backgrounds fight for survival. They must knock out their opponents to win.

Boxers must team up for a first-ever team boxing showdown set under 200 sandbags.

Defeated in an unpredictable 6 vs. 6 battle, the underdogs face another brutal match to survive.

The third fight is on. In the Cage Ring, Tag Ring, and Aqua Ring, a breathtaking showdown begins.

Slugfest, tag match, underwater fight. Boxers make bold choices and jump into unwinnable battles.

The champ unveils the fourth fight: the Three-way Battle! 60 seconds. No limits. Only one survives.

Eight boxers survive. Before a crowd, they must knock out their opponent to get to the semifinals!