The story of the ER brawl. Hear the real story of how Nick Diaz and Joe Riggs continued their fight with another round inside a hospital.

The man with the golden throat and great taste in suits as Bruce Buffer takes you through his amazing life story from meeting his brother, Michael Buffer at the age of 28 to his fistfight with UFC Fighter, Frank Trigg inside a packed elevator.

See how season one of The Ultimate Fighter and its finalist Forrest Griffin and Stephan Bonnar skyrocketed the popularity of the UFC.

Kevin “Kimbo Slice” Ferguson who rose to superstardom in backyard brawls to become a respected professional MMA fighter, capturing the hearts of millions of fight fans with a life cut too short but a legacy that lives on forever.

Evan Tanner, a natural athlete and independent spirit who made for an unlikely UFC champion. His friends and teammates recall how his pursuit of the extreme led to both success and unimaginable tragedy.

In the glory days of Japan's over-the-top MMA events, Kazushi Sakuraba embodied the samurai spirit of PRIDE Fighting Championship. Athletes, personalities and "The Gracie Hunter" himself tell how a pro wrestler became a superstar in the PRIDE ring.

Mark Schultz’s history as an Olympic gold medal-winning wrestler and the murder of his brother is well-documented (Foxcatcher), but in this Emmy nominated episode, we hear the untold story of how his only UFC fight turned his life around.