Jay Leno explores some of the world's toughest vehicles. First, he takes comedian Kevin Hart on a dangerous ride in one of the most outrageous off-road vehicles in the world.

Jay celebrates unconventional vehicles; comic Jeff Dunham races in a Seabreacher; Jay must choose which vehicle to drive in the 24 Hours of Lemons; actress Lea DeLaria drives a Vicious Mustang; inflatable DeLorean; lawnmower.