Jordyn Wieber, Denise Richards, Landon Donovan, Brody Jenner and other stars are the latest to find out just how tough they are.

Special Forces: World's Toughest Test season 3 airs on Wednesdays on FOX. New episodes become available to stream the next day on Hulu.

The actress admitted her daughters were "terrified" that she was "maybe not gonna make it home" from competing on 'Special Forces: World's Toughest Test'

Celebrities endure some of the harshest, most grueling challenges from the playbook of the actual Special Forces selection process in a new season airing on Wednesday, Jan. 8.

World's Toughest Test' season 3, which puts celebs like Denise Richards, Stephen Baldwin, Kyla Pratt, Bachelor Nation's Ali Fedotowsky and Trista Sutter, and more through grueling physical challenges.

World's Toughest Test, the celebrity contestants have to go through rigorous training to prove themselves, but it's not about winning a prize or eliminating the weaker players. Instead, it's about showing that these cast members are more than what some may perceive them as.