Falling Skies - Season 2 (2012)

While on patrol together, Ben and Hal try to help a young boy and wind up having their bikes stolen.

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.

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.

Karen and Ben stumble upon aliens and Ben learns why Karen returned home. But he is rescued by Tom and a team that capture an Overlord. The 2nd Mass is surrounded by the enemy and attacked by Skitters and Mechs. Trapped in the hospital, the see Karen offer to let them go free provided they release here Overlord. They do not accept and soon the find a new danger, the crawlies.

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.

The 2nd Mass meets new faces, while Tom comes across his former mentor and professor Arthur Manchester (guest star Terry O'Quinn). But it's difficult to know whom to trust.

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.