NASA preps a Jamestown relief mission, while Karen waits for news at the hospital.

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

A training accident spurs a national debate about women astronauts.

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

Max is forced to face the heartbreaking consequences of one of his policies. Bloom comes to a startling realization about Iggy.