With only two episodes left until 'The Walking Dead' takes a mid-season break until 2013, the AMC zombie-killer drama will begin to move at an even more breakneck speed, if that were possible. Both Woodbury and the prison are about to collide in a major way, but whose loyalties will be tested? Will Michonne see anything different about the increasingly unstable Rick? Will Glenn or Maggie crack under the weight of The Governor's pressure? Where will Daryl's allegiance fall when he learns of his brother's survival? Check out the latest photos from "When the Dead Come Knocking" for a taste!