The crew of the Nathan James is caught between a civilian blockade and the submarine on The Last Ship. "Cry Havoc" is the 12th episode of the show's second season.
The crew heads to find more supplies for the lab as Dr. Scott makes a breakthrough on Falling Skies. "Uneasy Lies the Head" is the ninth episode of the show's second season.
The Nathan James arrives home in Norfolk and the crew is able to search for friends and family on The Last Ship. "It's Not a Rumor" is the third episode of the show's second season.