Celebrities Dez Bryant, Tyler Cameron, Savannah Chrisley, Blac Chyna, Brian Austin Green, Robert Horry, Erin Jackson, Bode Miller, Jack Osbourne, Tara Reid, Kelly Rizzo,Tom Sandoval, JoJo Siwa and Nick Viall face the harsh reality of winter warfare training on the mountains of New Zealand, where the terrain and freezing temperatures are brutal and the tasks feel like torture. They face the ice breaker drill in which they are submerged in a frozen lake to find their body temperature plummeting to near hypothermic levels. They attempt a treacherous ravine crossing atop a 4,700-foot snowcapped mountain peak, as well as an emergency escape out of a helicopter submerged deep in icy waters. There are no votes or eliminations -- just survival.