High Quality Content by WIKIPEDIA articles! "Secrets" is the sixth 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 20, 2011. In this episode, Glenn (Steven Yeun) tells Dale Horvath (Jeffrey DeMunn) that Lori Grimes (Sarah Wayne Callies) is pregnant and there are numerous walkers in the Greene farmhouse. Dale confronts Hershel Greene (Scott Wilson) about hoarding walkers in his barn. Meanwhile, Shane Walsh (Jon Bernthal) attempts to teach Andrea (Laurie Holden) how to use weapons and Lori agonizes over the decision to terminate her pregnancy or keep the baby.