<Tr> <Td> ← Previous "Better Angels" </Td> <Td> Next → "Seed" </Td> </Tr> <Tr> <Td_colspan="2"> The Walking Dead (season 2) List of The Walking Dead episodes </Td> </Tr> <P> "Beside the Dying Fire" is the thirteenth and final episode of the second season of the post-apocalyptic horror television series The Walking Dead, which aired on AMC on March 18, 2012 . The episode was written by creator Robert Kirkman and showrunner Glen Mazzara and directed by series regular Ernest Dickerson . In the episode, a huge horde of walkers invades the Greene farm, chasing Rick Grimes (Andrew Lincoln) and Hershel's groups off the premises . Meanwhile, Andrea (Laurie Holden) is separated from the group, leaving her to fight off the same walkers that attacked Hershel's farm . </P> <P> Such themes as romance, death, and survival are prevalent throughout "Beside the Dying Fire". It is seen as a turning point for the development of several characters on the show, and flashbacks to various previous revelations in the series . "Beside the Dying Fire" features the debut of protagonist Michonne, a character that has been prominently featured in the comics of the same name, and it introduces the Prison . Production for the episode transpired over approximately eight days . </P>

When do they leave the farm walking dead