In this episode, the resistance continues its struggle against the Espheni invaders with the help of their new alien allies, the Volm.
The plan is nearly derailed by a mole within the resistance who alerts the Espheni. However, Tom uses a decoy team to lure the enemy away while a smaller group successfully infiltrates and destroys the reactor. Character Arcs: [S3E2] Collateral Damage
At the end of the episode, Maggie finds Hal sleepwalking into the woods, seemingly in a trance controlled by the enemy. Other Shows with "Collateral Damage" Episodes In this episode, the resistance continues its struggle
While "Collateral Damage" is a common title, these are notable episodes from other major series: "Falling Skies" Collateral Damage (TV Episode 2013) - IMDb In this episode