第 2 季 共 10 集
播出时间：2012年6月18日
第 1 集 Worlds Apart
播出时间：2012年6月18日
Weaver is still in command of the 2nd Mass, while Anne continues to serve as medic. They have seen many battles and are a much leaner unit now. Pope has taken command of the Berserkers, a renegade group within the 2nd Mass that Weaver doesn’t fully trust.
第 2 集 Shall We Gather at the River?
播出时间：2012年6月18日
Tom is haunted by memories of his time with the aliens. Pope plants seeds of doubt about him among the group. Ben’s hatred for skitters grows. The 2nd Mass locate a bridge that will help them cross the river to safety ahead of an impending attack.
第 3 集 Compass
播出时间：2012年6月25日
The 2nd Mass moves into an airport hanger. The Berserkers plan to get rid of Tom. While dealing with a loss of one of its own, the 2nd Mass receives a promise of hope from a mysterious visitor.
第 4 集 Young Bloods
播出时间：2012年7月2日
While on patrol together, Ben and Hal try to help a young boy and wind up having their bikes stolen. The hunt to recover them leads them to the discovery of something much bigger. Also, Matt is put in danger, and Weaver is reunited with a family member.
第 5 集 Love and Other Acts of Courage
播出时间：2012年7月9日
A familiar face returns to the 2nd Mass, but his intentions remain unknown. Meanwhile, a skitter is captured and brought back to the camp as a prisoner. And Hal bonds with Maggie as she begins to open up about her past.
第 6 集 Homecoming
播出时间：2012年7月16日
Hal stumbles across bodies of de-harnessed kids and finds someone from his past. Tom and Anne grow closer. And Weaver’s health deteriorates just as Tom discovers he may have been keeping important matters from the group in order to protect them.
第 7 集 Molon Labe
播出时间：2012年7月23日
Ben is endangered by someone who he thought he could trust. Tom captures another hostage. Weaver offers Matt a job to lift his spirits. The 2nd Mass are trapped in a basement and face a new enemy.
第 8 集 Death March
播出时间：2012年8月6日
The 2nd Mass pushes on to Charleston, but some are still grieving the group’s recent losses. Weaver learns more about Tector’s background before the invasion. And Matt begins to bond with a harnessed girl who was found recently.
第 9 集 The Price of Greatness
播出时间：2012年8月13日
The 2nd Mass meets new faces, while Tom comes across his former mentor, but it’s difficult to know whom to trust. Maggie realizes that Pope may not be sticking with the group very long. Tector embraces his military past.
第 10 集 A More Perfect Union
播出时间：2012年8月20日
When skitters approach the newly combined resistance force, the groups’ interaction surprises everyone. Meanwhile, Tom finds out life-changing news just as the 2nd Mass comes face-to-face with their most dangerous threat to date.
