[s4e3] Isolation -

The episode picks up immediately after the discovery of the charred remains of Karen and David. The Walking Dead: Season 4, Episode 3–Isolation

is the third episode of the fourth season of The Walking Dead , which aired on October 27, 2013 . It centers on the prison group's desperate response to a deadly flu outbreak and the psychological toll of their containment. Plot Summary [S4E3] Isolation