Summary: A new troop of 14 household names face the harsh reality of winter warfare training.

Summary: The remaining recruits are tasked with submerging themselves in icy water and then simulate infiltrating enemy infrastructure by racing each other down a 330 foot dam.

Summary: The celebrity recruits are put to the test of safely protecting a convoy under a surprise attack.

Summary: As a test of their character, they are tasked with a 2-mile race, navigating treacherous terrain, while carrying a 220-pound boat.

Summary: The remaining recruits are taken to the top of a mountain range to face the most demanding exercise of selection so far using a single rope to crawl across a deadly ravine.

Summary: 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.

Summary: The recruits are taken to a remote mountain range where they are tasked with pulling sleds through two miles of dangerous terrain, then later escaping invasion from enemy hunters, before they take on their last 24 hours of selection.