High Quality Content by WIKIPEDIA articles! "Pretty Much Dead Already" is the seventh episode of the second season of the post-apocalyptic horror television series The Walking Dead. It originally aired on AMC in the United States on November 27, 2011. In the episode, Glenn (Steven Yeun) reveals to the group that there are walkers in the Greenes` barn, dividing the group on what to do. Hershel Greene (Scott Wilson) sets a deadline for the group to leave, unless Rick Grimes (Andrew Lincoln) does a difficult task. Meanwhile, Shane Walsh (Jon Bernthal) slowly loses his sanity after many secrets around him are revealed.