Walking Dead: A

"A" is the title to the sixteenth episode of season four of the survival horror series The Walking Dead and the fifty-first episode of the series overall. It was directed by Michelle MacLaren with a script written by Scott M. Gimple and Angela Kang. The program is based upon the Image Comics comic book series The Walking Dead by author Robert Kirkman. The episode aired on Sunday, March 30th, 2014 on AMC at 9:00 pm.