Nitro Circus 4: Lock 'n Load is a heart-pounding motocross film starring legendary stunt rider Travis Pastrana. Widely regarded as one of the most innovative and fearless athletes and motocross riders in the world, Pastrana travels with the globe in search of crazier and more difficult stunts to perform. He is joined by friends and fellow adrenaline junkies such as Mat Rebau, Kenny Barttram, and Ronnie Renner. With cameras rolling, Pastrana and his friends scour the United States, Great Britain, Canada, Mexico, Romania, and other countries for the best locations to film their hair-raising antics. Viewers will not believe the risks that these daredevils take in search of that elusive adrenaline rush! Nitro Circus 4: Lock 'n Load is packed from start to finish with unbelievable, death-defying stunts. Fans of Travis Pastrana and motorsports in general will also appreciate the exclusive candid interviews and behind-the-scenes footage of these extreme athletes! This program is definitely not for the faint of heart.