New York — AMC has announced that the network is in the initial stages of developing a companion series to its original drama series The Walking Dead, which premiered on AMC in October 2010. The Walking Dead is currently the No. 1 show on television among adults 18-49. Robert Kirkman, Gale Anne Hurd and David Alpert will serve as executive producers, with AMC Studios set to produce.  “Building on the success of the most popular show on television for adults … [Read more...] about AMC to develop companion series to “The Walking Dead”