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

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

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.

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

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

After meeting with another victim, Karen and Grace reach out to the FBI for help connecting the dots. Marie finds herself in a legal nightmare.

Grace takes a bold step to get close to a suspect, Elias the intern makes a crucial discovery, and Marie slips into increasingly reckless behaviour.

Suddenly faced with two suspects instead of one, the team races to ID the rapist and make an arrest. Marie’s new counsellor tries to win her trust.

A call from Colorado sets in motion a chain of events that will change Marie’s life. Meanwhile, Karen and Grace prepare for a pivotal day in court.

As Karen and Grace Rasmussen compare notes on their cases, they consider an alarming possibility. In Washington, Marie’s name is leaked to the press.

Debra makes a decision about John. In Ohio, John captures the attention of Detective Dennis Luken.

After a cop is stabbed on a ski lift, TJ risks the ire of his fellow police officers — and his dad — to prove the accused’s innocence.

Seth becomes committed to taking an immune international diplomat to trial so he can get out of general crime and onto a more senior unit. Sandra works on a kidnapping…

The 118 race to the rescue when a birdwatcher is trapped under a tree. Chimney is in for a wild ride when he tends to a drunk driver; Maddie helps…

Richard finds out Maggie quit Grey Sloan and is concerned about how she’s handling the death of her patient who was her estranged cousin. Bailey returns to work after taking…