"Solitary" takes contestants to the threshold of tolerance by challenging their individual psychological and physical endurance. It's a mind game where the ultimate nemesis lives in the mind…
Season 4, Episode #2 - Solitary: Fight Club
The guests are under the gun before Val's treatment forces the guests to literally beat themselves up.
Season 4, Episode #1 - Solitary: Unchained Malady
The surprises keep coming when one guest is quickly eliminated... only to be replaced by a Solitary veteran.