The Mutant Underground rescues a girl from a Sentinel raid, but fails to save her family; Eclipse and Caitlin get info on the Inner Circle with help from a criminal hacker; Polaris prepares for her baby's birth.

Cast: Jose David Acevedo, Amy Acker, Braylon Andrews, James William Ballard, Coby Bell, Grace Byers, Ray Campbell, Brad Carter, Demi Castro, Jamie Chung, Mia Ella Clyburn, Mahdi Cocci, Isaiah Cox, Emma Dumont, Rick Espaillat