The Falling Skies finale is full of dangerous situations for those in space and those on the ground.

Tom and Lexi must find a way to take out the Espheni power source on the moon without a bomb on Falling Skies Season 4 Episode 12. Their situation gets dire when a fleet of Espheni Beamers shows up to take them out. Will they complete their mission?

On the ground, the Espheni attack Chinatown with dangerous Skitter smoke bombs. The 2nd Mass flees and attempts to survive the nasty attack. Both situations are resolved by the end of the hour, but not everyone will make it out alive.

Watch Falling Skies online now.