Discovery Channel HD

The Great 8 are in Ohio for the next $10,000 race, and Murder Nova is gunning to win two races in a row. Lizzy Musi battles health problems.

After years of planning, Dave celebrates the opening of his passion project, the Kindig Academy. The team throws a car show and has a friendly competition.

Ant and his dad find a 'perfect' Woodie but there's a catch. There's no engine! The farmhouse is in danger of collapse due to rotten wooden beams.

Tigre and Rene face the extreme dangers of the mountains of Vetas, a region in northern Colombia where the terrain is rugged and hostile.

Failing to find opal, The Mooka Boys embark on a risky mission at night. The Bushmen use a robot dog to help map out their underground mine.

In the former Soviet Republic of Georgia, EJ and Jeff find themselves in a nightmarish scenario as they're surrounded by 800-pound bears and trapped in a cavern.

Ten fearless drivers face off in a thrilling eight-race showdown across four states - $100,000 in prizes are at stake, and it's anyone's race.

Was the exotic dancer Mata Hari a German spy? Two climbers vanish into legend atop Mount Everest. A ghost's testimony is used to convict a murderer.