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.

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

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.

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

Catherine, a woman plagued by a host of ailments, is comforted by a disembodied woman’s voice.

Step inside the confession booth with Mac as he tells a befuddled priest why his fatness is the fault of the other members of The Gang.