Contestants must guess the height of contortionists. Other challenges include transferring creatures from tank to tank; and navigating a surprise-filled maze.
Weird donut fillings must be identified by the contestants, who later transfer creepy critters from one tank to another. The final challenge involves a creature-filled tub.
Brother-and-sister teams compete. They have to guess the age of living things; correctly name unusual items placed inside a tank; and identify donut fillings.
Relationships are put to the test when three couples and one pair of exes compete in challenges that include guessing the unappetizing ingredients in donuts, and identifying objects in a tank. The winning team is determined by who crosses a narrow bridge the fastest.
Memorable contestants from previous episodes return for another shot at the grand prize.
Three women and an Army vet compete.
Limits are put to the test during challenges.