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Rick Grimes (Andrew Lincoln)

Rick Grimes (Andrew Lincoln) in "The Walking Dead" Season 4 on AMC.

'The Walking Dead' Season 4

In this post-apocalyptic

world, Rick Grimes and his band of survivors continue

their ongoing struggle to survive the threat of walkers as well as the

dangers that lurk among the living. "The Walking Dead" Premieres Sunday, October 13 at 9 PM on AMC.