After a sudden crisis, the Martian crews pull together.

Plans to leave Mars are complicated by an unforeseen issue.

The Martian crew debates how to save the life of one of their own.

As NASA scrambles to prepare for the launch to Mars, Margo is confronted with a harsh personal reality.

The rivalry between American astronauts and Soviet cosmonauts intensifies as last-minute changes impact the Pathfinder mission plan.

A surprise maneuver during the journey to Mars provokes desperate measures.

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

The race to land first on Mars brings together unexpected allies.

Miles tries to make ends meet. Margo finds herself pulled into a dangerous situation.

Ellen is challenged by her new role. Margo’s allegiances are put to the test. Karen explores new opportunities—personally and professionally.

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

A commercial spaceflight company makes an announcement. The choice over who’ll command the Mars mission leads to a shift in personnel.

Gordo returns to space. Molly faces an upsetting new reality. Aleida confronts her first major hurdle at work.

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

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

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

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

Nearly 10 years have passed. Danielle and Ed attend a celebration, where things take a terrifying turn.

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

Nearly a decade later, technology and lunar exploration have taken huge strides—but a solar storm threatens the astronauts on Jamestown.

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.

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.

When Shelly’s husband Ed goes missing, Sarah, Josh and Ali set out to find him, and instead find themselves lost in their past. Ali can no longer keep Maura’s secret…

A funeral brings all the Pfeffermans together and reunites them with their past – Shelley and Maura with old friends, Sarah with her ex, and Josh with his teenage babysitter…

Maura embraces her new journey, but nothing about life as a woman is easy — making friends, finding a new community, and above all, coming out to her children. Sarah…

Hank seeks comfort from Faith, only to find her with Beckett. Hank meets two very important people in Faith’s life. On the home front, Becca has some big news.

CSI investigates the death of a little girl whose identity remains unknown.

Chief of Police Tommy Delk (guest star Courtney B. Vance) assigns Major Crimes a seemingly minor case involving the armed robbery of several medical marijuana dispensaries. But when one of…

As the hospital spirals closer to financial ruin, Owen must make some tough decisions, which includes foregoing an expensive surgery that could save the life of a child. Meanwhile, Alex…