Laatste aflevering van het seizoen. Spanningen op aarde en Mars bereiken een kookpunt.
Gastrollen:
Goran Ivanovski(Dr. Dimitri Mayakovsky), Sean Patrick Thomas(Corey Johnson), Jessica Tuck(Christine Francis), Robert Bailey Jr.(Will Tyler), Larry Clarke(Bill McGann), C.S. Lee(Lee Jung-Gil), Justice(Isaiah Johnson), Alex Cioffi(Tim), Dimiter D. Marinov(Ilya Breshov), Myk Watford(Palmer James), Salvador Chacon(Gerardo Ortiz-Niño), Moses Jones(Rich Waters), Charles Kim(Cmdr. Cho Byung Ho), Nick Gracer(Petros Khorenatsi), Noor Razooky(Faiza Khatib), Billy Lush(Mike Bishop), Nikita Bogolyubov(Timur Avilov), Tess Lina(Veronica 'Ronnie' Hunt), Vinny Chhibber(Ravi Vaswani), Cindy Jackson(Holly 'Sparks' Edmondson), Sean Patrick Murphy(Nate Lowry), Katarina Morhacova(Nina Rozhenkova), Ely Henry(Dr. Seth Razack), Elliott Ross(Maximus Taylor), Charles Maceo(Andy Whistler), Mark Kwak(Park Chui Moo), Kang Kim(Lim Sum Gi), Jennifer L. Marshall(Lynn Hegarty), Kurt Quinn(Frank Tuttle), Suzanne H. Smart(Motel Clerk), Leo Seo(Kim Byung Soo), Chen Chen Julian(Nam Moon Yeong), Alex Cacho(Ops Comm Controller), Emi Nishimura(Ops JAXA Controller), Mustafa Haidari(Atilla Yucer), Hans Obma(Jan Huebner), April Mae Davis(Courtney Johnson)
