The depiction of an 'alternate history' of the global space race after the USSR succeeds in achieving the first manned Moon landing.
The rivalry between American astronauts and Soviet cosmonauts intensifies as last-minute changes impact the Pathfinder mission plan.
A crisis in space puts the Apollo 24 and 25 crews in peril.
Nearly 10 years have passed. Danielle and Ed attend a celebration, where things take a terrifying turn.
Deke must recruit female astronauts after Russia lands a woman on the moon.
A dispute on the moon prompts NASA officials to consider arming astronauts. Ed’s past comes back to haunt him.
American astronauts and NASA leadership prepare for a new mission with unlikely partners. Ellen gets in touch with an old friend.
Director von Braun opposes President Nixon’s directive, with dire consequences.