Race to the Center of the Earth - Season 1 Episode 1
Four teams across the world compete in the ultimate adventure race for $1 million. Teams of co-workers, rock-climbers, cops and teachers are spread out across the world and racing toward the same finish line.
- Seánra: Reality
- Stiúideo: National Geographic
- Eochairfhocal: competition
- Caitheadh: Chris Payne Gilbert