第 5 季 共 10 集
播出时间：2015年6月29日
第 1 集 Find Your Warrior
播出时间：2015年6月29日
Tom's life hangs in the balance as his beamer drifts into space. Tom encounters a surprising guest.
第 2 集 Hunger Pains
播出时间：2015年7月6日
A surprise skitter attack leaves the 2nd Mass without food. In desperation, Maggie, Ben, Pope, and Sara go on a dangerous mission hoping to find supplies.
第 3 集 Hatchlings
播出时间：2015年7月13日
The 2nd Mass discovers the source for the seemingly endless supply of enemy forces. Hal disobeys his father.
第 4 集 Pope Breaks Bad
播出时间：2015年7月20日
A mission to procure vehicles and fuel goes awry, and a desperate Pope takes things into his own hands. Cochise shares troubling news with Anne.
第 5 集 Non-Essential Personnel
播出时间：2015年7月27日
The 2nd Mass leaves Chinatown en route to what they hope will be the final Espheni battle. Along the way, they encounter a deranged and desperate gunman who takes a hostage. Meanwhile, Tom sets off to rescue Hal.
第 6 集 Respite
播出时间：2015年8月3日
Injured, Tom takes refuge with a unique family who has distanced themselves from the fight, giving him a glimpse of life without war. Hal and Isabella's romance grows as they search for a missing Tom. Meanwhile, The 2nd Mass locates an Espheni device that could be a linchpin to winning the war if they can figure out how to use it. And Maggie makes a decision that has consequences for her and the entire 2nd Mass.
第 7 集 Everybody Has Their Reasons
播出时间：2015年8月10日
The 2nd Mass arrives at a safe haven. As the two groups make plans for the final assault on the Espheni, the 2nd Mass begins to realize that things aren't exactly as they seem.
第 8 集 Stalag 14th Virginia
播出时间：2015年8月17日
Weaver discovers a shocking truth about an old friend and must decide how to best protect the 2nd Mass. Maggie and Isabella are forced to work together.
第 9 集 Reunion
播出时间：2015年8月24日
Tom gains a powerful new weapon. Ben puts his life on the line to extract enemy plans. Pope discovers that Tom is alive. Meanwhile, the 2nd Mass must reassess their situation when an unexpected visitor appears.
第 10 集 Reborn
播出时间：2015年8月31日
The final standoff brings the Masons, the 2nd Mass, and their new allies into the bowels of an iconic American location, wrought with new and unpredictable obstacles. Despite great loss along the way, they must persevere with hopes of once and for all reclaiming Earth and humanity.
