PREVIEW: THE WALKING DEAD ("Sick")

Photo: AMC

The third season of THE WALKING DEAD continues on Sunday, October 21 at 9 p.m. ET on AMC Network.

In the episode, titled "Sick," after a traumatic event, a life hangs in the balance. Complicating matters, the group must also deal with a potential threat to their new surroundings. Carol attempts to aid a wounded Hershel.

Watch a sneak peek below:



CAST
· Andrew Lincoln as Rick Grimes
· Chandler Riggs as Carl Grimes
· Lauren Cohan
· Laurie Holden as Andrea
· Norman Reedus as Daryl Dixon
· Sarah Wayne Callies as Lori Grimes
· Steven Yeun as Glenn
· Jeffrey DeMunn as Dale Horvath
· Jon Bernthal as Shane Walsh

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