A pioneering crew prepares for a daring 10‑day lunar flyby, testing vital systems and pushing human spaceflight farther than it has gone in over 50 years.

In this final season, 1971 brings sweeping change as the team confronts medical breakthroughs and harrowing social crises while standing steadfast beside every patient.

More exciting journeys are on the way during Season 8 as the crew explores fossil-rich canyons, remote deserts, high mountain wilderness, historic trails, and Nevada’s most mysterious highway.