Mia finds herself in grave peril after she is betrayed and offered up for sale, while Niska’s final evaluation arrives. While Max makes a new friend Leo and Hester plan to infiltrate the Silo. Karen makes a rash decision about her future, and Toby’s relationship with Renie reaches a crossroads.
U.S. air dates are in MM.DD.YY form. U.K. air dates are in DD.MM.YY form.