The remaining crewmates must correctly answer trivia questions from the hab manual and advance to the final challenge, where they must properly assemble a satellite tower and broadcast a personalized message to Earth.

Stars on Mars

Brightest Star

With only six celebronauts left, the mission on Mars is almost complete; the hab detects a weak distress signal that the crew must investigate immediately; they need to split up into two teams to find the source of the distress signal.

Distress Signal

The seven remaining celebronauts must find the hab's missing house pet, Raddog.

Downward Dog

The remaining celebronauts discover they are not alone on Mars; someone or some thing is coexisting with the crewmates and could threaten their survival if they don't act fast; this mission tests the contestants' adaptability.

We Are Not Alone

A series of solar flares interferes with the electronics, and the nine remaining celebronauts need to repair the solar panels, working fast before another solar flare brings dangerous radiation.

Solar Flare

A technological virus has taken over the artificial intelligence system and two celebronauts are stuck outside in the harsh Martian climate; the crew must work together to reset the software before it's too late.

Evil AI

Four new celebs land on Mars amidst a micro-meteorite shower; the meteors punctured the walls of the hab, leaving 11 celebronauts to work together to plug the holes until the hab can be fixed.

Leaks in the Hab

Four new crew members land on Mars, but their supply craft goes off course and crashes; the seven remaining crewmates must act quickly to rescue them.

Resupply Mission

Tensions are high amongst the nine remaining contestants, as the pressure of being away from Earth begins to take a toll; the contestants are sent on a mission that tests their perseverance; a special double elimination episode.

Life on Mars?

The 10 remaining contestants brave the elements of the Martian desert to find out who has what it takes to survive when an unexpected fire breaks out in the hab; the assigned mission commander determines who is at risk of being extracted.

Fire in the Hole

Just as they were settling into life on the red planet, the remaining celebrities must figure out how to replenish their water supply.

Water Crisis

The Experiment Begins

Adventurous celebrities prepare for take-off to the red planet, where they live, eat, sleep, strategize and bond with each other in the same space station.

S1 E9 | We Are Not Alone