NASA is in crisis as the Soviets land the first man on the moon in 1969, the beginning of an alternate history.

A training accident spurs a national debate about women astronauts.

Ed and the crew change Apollo 15’s landing site after lunar ice is detected.

Margo must lead a seemingly impossible mission. Danielle wants to return to the moon. Gordo grapples with life on Earth.

Tensions between the U.S. and the Soviet Union reach an all-time high on the moon, throwing multiple missions into jeopardy. Season finale.