Here are the official titles and descriptions for the first four episodes of Season 4 of The Walking Dead.
EPISODE 401: 30 Days Without An Accident - Rick and the group are as close to an ideal life as possible at the prison. Will they be able to hold on to humanity in the face of a new evil?
EPISODE 402: Infected - As the group faces a brand new enemy, Rick and the others must fight to protect the livelihood they worked so hard to create at the prison.
EPISODE 403: Isolation - A group leaves the prison to search for supplies; the remaining members of the group deal with recent losses.
EPISODE 404: Indifference - The supply mission faces hurdles; the situation at the prison worsens.
The Walking Dead Season 4 premieres on Sunday, October 13 at 9 PM ET on AMC.