Oxygen (S10E05)

“Space - the ultimate frontier. The ultimate because it seeks to eliminate us.” Stranded on a space station devoid of breathable air, the Doctor, Bill, and Nardole face a terrifying revelation: the very automated spacesuits designed to save them are simultaneously plotting their demise! As they scramble to survive, the trio must navigate the deadly constraints of their high-tech environment while outsmarting the suits that threaten their lives.