Will the skitters be stopped on "Falling Skies"?

In HuffPost TV's exclusive preview of "A Most Perfect Union," the "Falling Skies" Season 2 finale, Tom and Weaver turn to the army for help, but aren't getting a very positive reaction. It's a dangerous mission, perhaps too dangerous for Charleston's army, but that's where 2nd Mass comes in. Can they get the job done?

The "Falling Skies" Season 2 finale on Sun., Aug. 19 at 9 p.m. ET. Don't fret, it'll be back for a Season 3.

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