Mixed Martial Arts, or MMA, rose to mainstream popularity in the 1990s with the establishment of the Ultimate Fighting Championship. Since then, MMA has earned a reputation as a demanding and exhilarating sport. In this action-packed series, explore the exciting history, fearless fighters, premier promotions, and training and techniques that make up the thrilling world of MMA.

The best UFC fight ever? -- What is the UFC? -- Humble beginnings -- Major UFC events -- The ultimate fighter -- The Conor McGregor era -- The UFC going forward -- Timeline.