Special Forces: World's Toughest Test Episode Rating Graph

The final group of remaining recruits attempt to go behind enemy lines without being captured, and face tough lessons of survival, leadership and how to decipher a map.

The recruits face the most dangerous task yet, a helicopter survival drill, as a test of their ability to mentally handle a life-or-death situation.

The last remaining recruits face their final phase -- enduring the mental duress of enemy interrogation.

Contestants take on a search-and-rescue course, crawl over a rope spanning a canyon and face a brutal three-stage endurance test

Entering their final week of Selection, the remaining recruits are challenged mentally to harness their vulnerability and shift their mindsets to overcome the final tasks. The recruits fight the "Redman," escape an ambush and evade an enemy hunter base, and approach the most terrifying phase of the course, resistance to interrogation. As the recruits experience the most challenging part of their journey, they must try their best to conceal that they have been working with the Special Forces in order to successfully pass Selection.

The recruits are faced with an emergency escape drill; tensions begin to arise as the recruits confront each other over disagreements and the pressure of the selection process becomes too much to handle for some.

Recruits must unlock a safe in a gas-filled room, perform a helicopter insertion into the blistering cold sea, and select recruits are forced to bury their teammates into coffins after cheating in a previous challenge.

The recruits find themselves back in the water with one of the most physically challenging tests thus far; as the group forms a deep emotional bond with one another, one recruit has a shocking exit.

Sixteen household names arrive in the desert, about to endure some of the harshest, most grueling challenges from the playbook of the actual Special Forces selection process.

The celebrity recruits learn a valuable lesson in using fear to inform and help.