02/21/2013 01:26 pm ET

'The Walking Dead': 'I Ain't A Judas' Features Prison Siege (EXCLUSIVE PHOTOS)

The prison is under siege in the next "The Walking Dead" episode, titled "I Ain't A Judas."

In the exclusive photos below, the prison gang is ready for battle with their guns drawn, walkers at their backs.

Here's how AMC describes the episode:

Their security threatened, Rick and the group must make a choice. With Woodbury in a police state, Andrea grows uneasy.

Tune in to see what goes down on "The Walking Dead," Sundays at 9 p.m. EST on AMC.

The Walking Dead Season 3

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