Release Message:  Vision recovered from the wreckage of Le Verrier Space Station shows how the Doctor (Peter Capaldi) and Clara became entangled in a rescue mission. As the footage plays out, a horrifying secret is uncovered.

Description:  Vision recovered from the wreckage of Le Verrier Space Station shows how the Doctor and Clara became entangled in a rescue mission. As the footage plays out, a horrifying secret is uncovered.