"The Walking Dead" returns in two weeks for its third season, but in a repeat of last year, the producers have released an online-only appetizer in the form of a four-part series of webisodes titled "Cold Storage."
The series reunites "Walking Dead" co-executive producer and makeup effects artist Greg Nicotero and writer John Esposito, who collaborated on the show's six-part Web series "Torn Apart" last fall.

