Space's Deepest Secrets: Season 3, Episode 14

3 - 14: Mar's Greatest Mysteries

As modern-day explorers race to send humans to Mars, the latest discoveries uncover the dangerous secrets of the Red Planet. This episode is a mashup of two other Science Channel shows: "Mars; The Secret Science", S01E01, "Race to the Red Planet" and "How the Universe Works", S05E6, "Life & Death on the Red Planet."