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

American astronauts and NASA leadership prepare for a new mission with unlikely partners. Ellen gets in touch with an old friend.

Ed’s reckless behavior at NASA shakes the foundation of the Baldwin family. Tracy attempts to readapt to life in space.

A crisis in space puts the Apollo 24 and 25 crews in peril.

Ed handles a trespasser. Ellen and Deke chart a new course without Mission Control. Season finale.

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

A launchpad accident leads to delayed missions and FBI background checks.

A training accident spurs a national debate about women astronauts.

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

Director von Braun opposes President Nixon’s directive, with dire consequences.

The NCIS murder case of a retired Navy Lieutenant Commander forces Ducky to reveal his participation in a secret society that solves cold cases.

Dee gets involved with a famous local rapper who might be mentally challenged, and whose success inspires the rest of the gang to start a band.