De rivaliteit tussen de Amerikaanse astronauten en de Sovjet-kosmonauten neemt toe als plotselinge veranderingen de Pathfinder-missie beïnvloeden.
Gastrollen:
Nate Corddry(Larry Wilson), John Marshall Jones(General Nelson Bradford), Noah Harpster(Bill Strausser), Michael Benz(Gary Piscotty), Michaela Conlin(Helena Webster), Leonora Pitts(Irene Hendricks), Tim Jo(Steve Pomeranz), Charlie Schlatter(Paul Michaels), Linda Park(Amy Chang), Lenny Jacobson(Wayne Cobb), Kayla Blake(Dr. Kouri), Scott Michael Campbell(Alex Rossi), Ellen Wroe(Sally Ride), Daniel David Stewart(Nick Corrado), Connor Tillman(Vance Paulson), Piotr Adamczyk(Sergei Orestovich Nikulov), Josh Duvendeck(Nathan Morrison), Andre Boyer(Jason Wilhelm), Alexander Sokovikov(Rolan Efimovitch Baranov), Lauren Sweetser(Jewel), Dustin Seavey(Lee Atwater), Eugene Alper(Colonel Viktor Tsukanov), Goran Ivanovski(Dr. Dimitri Mayakovsky), Jinny Chung(Liz Phang), Juliet Brett(Natalie Bishop), Joe Sobalo Jr.(Jonathan Gatos), Meghan Leathers(Pam Horton), Timothy Ware-Hill(Cameron Wolfgeher), Alim Kouliev(Soviet Diplomat)