Shark! Celebrity Infested Waters

Human cannonballs! Human pinballs! Crashes, smashes and mud splashes! Twenty-four thrill-seekers will compete in the world's largest extreme obstacle course designed to provide the most spills, face plants and wipeouts ever seen on television.

Eight young people spend the summer in Panama City Beach in hopes of finding love, cash and close friends.

What happens when you put two complete strangers - sans clothes - in some of the most extreme environments on Earth? Each male-female duo is left with no food, no water, no clothes, and only one survival item each as they attempt to survive on their own.

Each Challenge pits numerous cast members from past seasons of reality shows against each other, dividing them into two separate teams according to different criteria, such as gender, which show they first appeared on, whether or not they're veterans or rookies on the show, etc. The two teams compete in numerous missions in order to win prizes and advance in the overall game.