Diem admits to having a crush on Derrick, but she tries to ignore it because she needs to keep her head in the game. Tina is feeling sick, but Kenny tells her that the mission won't wait for her. And it won't--the message comes that they need to be ready by 5am. The next morning, they are informed of their challenge--Deep Blue. Four nautical miles off the coast of Australia, the teams have to dive 30 feet into the ocean to capture their team flag and hold their breath for as long as possible. The teams are getting nervous and Wes even tells Casey he doesn't mind if she is terrified and they are disqualified. Theo doesn't feel as if he has anything to worry about because he has made an alliance with Derrick, but Chanda is of the opinion that nothing short of first place will keep them out of Exile. Tina and Kenny can only make it for a few seconds before heading to the surface. Darrell bails on Aviv, but Aviv is able to capture the flag. Theo and Chanda do well by floating to t