13 Episodes · Premiered May 2, 2018 · Ended July 25, 2018
Third season begins six months after the Bowmans' escape from the Los Angeles bloc as Will and Katie struggle to rebuild their family in the world beyond the walls. When their peaceful existence is shattered, they are sent on an odyssey that will finally reveal the horrifying truth behind Earth's mysterious occupiers and once again force our heroes to choose sides.
Six months after escaping Los Angeles, the Bowmans and Snyder enjoy a simple life in the mountains until a sudden arrival changes everything.
Will and Katie put themselves at risk to make contact with the Resistance; Broussard pieces together IGA secrets left behind in LA.
Will assesses the Resistance Camp's safety; Katie tries to get more involved; Broussard and Amy encounter survivors outside the walls.
Will and Katie fear they might be in danger when the Resistance camp is put in lock down; a risky plan makes Broussard question Amy's intentions.
Will, Katie, and Snyder struggle to protect their secrets while under interrogation.
The Bowman family encounters danger on the road to a possible new home. After getting a hero's welcome at IGA headquarters, Snyder settles into retirement.
Will follows clues that may expose a dangerous secret about the Seattle Colony; Katie helps a refugee family; Bram steps in as a parent to Gracie. Conspiracy emerges again.
Katie suspects there might be a dark side to her refugee case work; Will helps Broussard and Amy with a Resistance operation; Snyder goes back to work for the IGA; Bram starts a new job.
Will, Broussard, Amy, and Bram work together to kidnap a high-ranking IGA officer.
Will and Katie question whether their family is safe in Seattle. Snyder digs up dirt on Everett Kynes. Amy parts ways with Broussard.
Will, Broussard, Katie, and Amy help the Outliers deal with an emergency. Snyder makes his play to take over Seattle. Kynes runs damage control.
Will and the Outliers fight to save Kynes from Snyder's IGA army.
Will makes a sacrifice to protect his family; Katie races to save refugees outside the walls; Snyder struggles to control a Colony amidst the chaos of war; Bram and Gracie make a big decision.
