1The Experiment Begins
The 12 celebrities land on "Mars."
2Water Crisis
Just as they were settling into life on the red planet, the remaining celebrities must figure out how to replenish their water supply.
3Fire in the Hole
The 10 remaining contestants brave the elements of the Martian desert when a fire breaks out.
4Life on Mars?
The contestants are sent on a mission which tests their perseverance; two are eliminated.
5Resupply Mission
Four new crew members land on Mars, but their supply craft goes off course and crashes.
6Leaks in the Hab
The celebs must work together to plug holes in the walls of the hab caused by meteors.
7Evil AI
A virus takes over the artificial intelligence system and two celebronauts are stuck outside.
8Solar Flare
The nine remaining celebronauts need to repair solar panels damaged by a series of solar flares.
9We Are Not Alone
The remaining celebronauts discover they are not alone on Mars.
10Downward Dog
The seven remaining celebronauts must find the hab's missing house pet, Raddog.
11Distress Signal
The hab detects a weak distress signal that the crew must investigate immediately.
12Brightest Star
The crewmates must assemble a satellite tower and broadcast a personalized message to Earth.