Walking Dead star Lauren Cohan says the "human threat" is the biggest danger in the third series of the zombie drama.
The actress, who plays Maggie Greene, reckons the show is successful because people imagine how they would cope in the place of the characters.
Norman Reedus, aka Daryl Dixon, also tells Newsbeat what he would do in a zombie apocalypse.
The show, which returns on 19 October on FX, broke cable viewing records when the third season premiered in the US.
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