After Peacemaker’s hazardous escape, tension and mistrust build within the team. Later, as Peacemaker grapples with his new assignment, he receives a surprise visitor.

The team scouts the apparent hub for the aliens’ food supply, only to come face-to-face with a full-fledged invasion. Meanwhile, Auggie’s attempt to sell out his son to the police…

The team scouts the apparent hub for the aliens’ food supply, only to come face-to-face with a full-fledged invasion. Meanwhile, Auggie’s attempt to sell out his son to the police…

After Peacemaker’s hazardous escape, tension and mistrust build within the team. Later, as Peacemaker grapples with his new assignment, he receives a surprise visitor.

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

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

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

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 training accident spurs a national debate about women astronauts.

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

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

When a blizzard hits Seattle, Travis must take a difficult call and members of the crew are forced to face their truths. Meanwhile, Ben has rising suspicions about a colleague.

Conrad and Devon work tirelessly to save the life of Bradley, a fellow doctor who has fallen through the hospital skylight. As the team contemplates how and why he fell…

A local legend comes back to life as Nick and Hank investigate a mysterious sighting linked to a tourist’s death at a local lake. Rosalee’s past comes back to haunt…

Phil gets a new RV for a fun family road trip. Jay and Gloria search for Manny’s backpack. Lily’s gymnastics meet brings out Cam and Mitch’s competitive spirit.

The CSIs investigate the demise of a prominent news anchor during a live broadcast.

Eric and Vince are determined to get “Medellin” off the ground, but the rights to the script stand in their way. Feeling tense the day of the “Five Towns” premiere,…

An NCIS case changes from accidental death to murder when evidence reveals that a Navy lieutenant died of forced over-hydration. Meanwhile, Gibbs meets Ducky’s new love interest.