<Tr> <Td> ← Previous "Chupacabra" </Td> <Td> Next → "Pretty Much Dead Already" </Td> </Tr> <Tr> <Td_colspan="2"> The Walking Dead (season 2) List of The Walking Dead episodes </Td> </Tr> <P> "Secrets" is the sixth episode of the second season and 12th episode overall 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 barn . 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 . </P> <P> The episode was written by Angela Kang and directed by David Boyd . "Secrets" touches on various themes, including abortion, romance, and confession . In preparation for filming, producers initially converted a vacant building in downtown Sharpsburg, Georgia into a temporary pharmacy in July 2011 . Principal photography for the episode occurred a month later in August . </P>

When does lori find out she is pregnant