A special two-hour documentary chronicling the UFC’s past 20 years is set to air on Tuesday night at 9 p.m. ET on FOX Sports 1.

“Fighting For A Generation: 20 Years Of The UFC” will feature the promotions past 20-year rise from UFC 1 to present day.

Over 60 interviews were conducted for the special, including an interesting one with John McCain, who fought against the promotion running events for years.

Here’s a video preview for the program: