Follows a simulation of what it might be like to be an astronaut on Mars, with celebrity contestants competing to be the last one standing, the "celebronaut."
William Shatner
Lance Armstrong
Natasha Leggero
Marshawn Lynch
Christopher Mintz-Plasse
Adam Rippon
Ronda Rousey
Tom Schwartz
Richard Sherman
Tinashe
Porsha Williams
Tallulah Willis
Ariel Winter
Eureka Productions
FOX
