Complete story — includes the ending
The 2nd Mass believe the Espheni are manufacturing Skitters and send a team consisting of Pope and Sara out to investigate. Meanwhile, Tom has Ben draw a picture of an alien seen in his visions and learns from Cochise that they are called the Dornia, a species he believes to be extinct that were enslaved by the Espheni and turned into Skitters. Maggie and Hal track Caitlin and her brother Brian to a forest after they escape, and find them with an Overlord, but they are powerless to stop Brian shooting Caitlin and then himself. After earlier injuring the Overlord and taking it captive, they return to Chinatown. Believing it to be their only option, Ben comes up with a plan with Maggie to peer into the Overlord's mind to locate the Hatchery. As the 2nd Mass is about to leave on the mission, Pope pleads with them to help Sara who is stuck in a quicksand-like bog nearby, but Tom tells him the mission is too important and that they will come back for her afterwards. That night, with the hatchery destroyed, they return and find Pope who despairs at Sara's death, and Pope tells Tom that he was too late.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, Falling Skies season 5. HTML formatting and reference markers removed. · Content license