Chris 'C.T.' Tamburello

A group of ex-military members is hired to retrieve a bag of stolen cash, but their job becomes challenging when a lone hunter finds the loot first.

After more than 500 episodes, it's time to go behind the scenes of The Challenge with documentary series The Challenge: Untold History.

Shipwrecked on a remote island, a father and son encounter a merciless man who uses the land as an elite preserve for hunting humans.

The Challenge is a reality competition battle across a series of contests for the chance to win money. Contestants endure brutal challenges, devastating elimination rounds, steamy hookups and bitter rivalries.

In the ultimate game of deception, contestants work together on thrilling missions in the Scottish Highlands to win a prize of up to $250,000.