Lourdes works on a dangerous medical procedure on Falling Skies. "Be Silent and Come Out" is the fifth episode of the show's third season.
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Falling Skies Season 3 Episode 6 Quotes

Let's make one thing perfectly clear -- Hal is not the target. He's one of ours. The aliens messed him up but we're not going to let them get away with that.

Weaver

I will personally mount your head on the wall on this establishment

Weaver