What's happening?

Falling Skies: 4x12

Shoot the Moon

With the weight of humanityโ€™s survival on Tom and Lexiโ€™s shoulders, they must defeat Tomโ€™s mortal enemy and find a way to destroy the omnipotent Espheni Power Core. Meanwhile, a new, terrifying Espheni Bomb is dropped onto Chinatown, immobilizing the 2nd Mass and preparing them for Human Skitterizaton.

Falling Skies: Season 4 Episode 12
Falling Skies: Season 4 Episode 12
Aug. 31, 2014