Longtime champion Georges St-Pierre returns from injury for a title unification bout against teammate and interim champion Carlos Condit. See both athletes' long roads to this high-level matchup and the fight itself on UFC Main Event.

Reliving the buildup to Ronda Rousey and Miesha Tate's epic rematch title fight; re-air of the title bout.

Heavyweight champion Cain Velasquez and former champion Junior Dos Santos prepare to complete their trilogy in the headlining bout of UFC 166; visiting their gyms to see how their careers evolved in the UFC.

UFC 165: Jones vs. Gustafsson from Sept. 21, 2013.

A bout from UFC 229 featuring Khabib Nurmagomedov vs. Conor McGregor. October 6, 2018.

Bouts from UFC 217 and UFC 227 featuring T.J. Dillashaw and Cody Garbrandt.

Demetrious Johnson takes on Henry Cejudo at UFC 227, August 4, 2018.

Flyweight champion Demetrious Johnson looks to break the record for most UFC titles, but hungry challenger Ray Borg is eager to stop him. See them train and then watch their UFC 216 matchup.

Showcases the back stories of athletes involved in the best fights of recent years.

Features Conor McGregor vs. Eddie Alvarez from UFC 205 on Nov. 12, 2016.

After an injury takes Jose Aldo out of the fight, featherweight standouts Chad Mendes and Conor McGregor face off in an interim championship bout. See them train and then watch their UFC 189 matchup.

Bantamweight champion Amanda Nunes returns to her home country to defend her title against hard-charging Raquel Pennington.

Features Paige VanZant vs. Michelle Waterson. The best fights of recent vintage, set up by pre-fight, interview-driven features that reveal the backstories of the athletes and their mindsets just prior to those epic bouts.

A look back at Jose Aldo vs. Max Holloway for the UFC featherweight title from UFC 212 in Rio de Janeiro, Brazil.

Features the rematch between Joanna Jedrzejczyk and Claudia Gadelha. UFC Main Event showcases the best fights of recent vintage, set up by pre-fight, interview-driven features.

Strawweight champion Joanna Jedrzejczyk takes on fellow striker Valerie Letourneau in a fan-pleasing matchup. UFC Main Event goes to Poland and Florida to check in on their training camps, then across the globe to Australia for the historic bout.

From T-Mobile Arena in Las Vegas on March 3, 2018.

From May 13, 2017.

Welterweight bout between former UFC Welterweight Champion Robbie Lawler and former UFC Lightweight Champion Rafael dos Anjos; from Dec. 16, 2017 in Winnipeg, Canada.

From Oct. 8, 2011. Features Frankie Edgar's trilogy bout with Gray Maynard from Houston.

UFC lightweight champion Frankie Edgar defends his belt against undefeated Gray Maynard, the only fighter to ever beat him.

Features showdowns between contestants of the Ultimate Fighting Championship.

Enhanced replays of memorable fights.

"UFC Unleashed" features the greatest moments from the Ultimate Fighting Championship's vast library of mixed martial arts footage, including matchups that were previously exclusive to pay-per-view audiences. As opposed to simple highlights, "Unleashed" treats fans to bouts in their entirety, from the opening bell to the knockout, tap out or decision, and some episodes consist of a "best of" compilation featuring one UFC star.

Special programs presented by UFC.