Season 2 begins with teams trying to guess the weight of various creatures, and later having to identify items placed around their heads. The final challenge is a maze filled with mousetraps.

Source: Syfy

Contestants must guess the height of contortionists. Other challenges include transferring creatures from tank to tank; and navigating a surprise-filled maze.

Source: Syfy

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.

Source: Syfy

Players begin by identifying objects placed in tanks. The next round requires those who survive elimination to use their mouths to retrieve plastic rings from creepy boxes. Lastly, a booby-trapped maze determines the winner of $5000.

Source: Syfy

Contestants wear straitjackets for the first challenge, which forces them to use their tongues to identify objects. Later, they try to guess the weight of a dangerous animal; and have to figure out what's being dumped on them as they sit in a tub filled with water.

Source: Syfy

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.

Source: Syfy

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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.

Source: Syfy

Memorable contestants from previous episodes return for another shot at the grand prize.

Source: Syfy

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