Last Gasp

Last Gasp is a challenge in survivor

Rules
The players must swim under a steel grate and stay above the water. As the tide rises, player will run out of breathing room. If the fear of drowning is too much, that person can bail out. The last person still in the grate wins the challenge.

Usage
This challenge was first used in Survivor: Palau as a immunity challenge. Additional stipulation notes that first person to bail out must go to Exile Island. Six minutes in, a cold and panicked Janu Tornell opts out of the challenge. The Tribe doesn't show much concern, despite saying otherwise, much to Janu's annoyance. Eventually the women drop out of the challenge leaving Tom Westman, Ian Rosenberger and Gregg Carey fighting for immunity. Gregg opts out of the challenge. In the end, Tom outlasts Ian and wins immunity.

This challenge was most recently used in Survivor: Micronesia as the first immunity challenge for the newly merged tribe. Ultimately, it came down to Jason Siska and Ozzy Lusth. Ozzy bails out giving Jason the immunity win.

Trivia

 * This challenge was used in seasons filmed in Palau.