Starting next month, The Walking Dead will offer an extra dose of walkers on the Web.

You heard it here first: AMC plans to unleash a series of Dead-themed webisodes Oct. 1. Directed by special effects producer Greg Nicotero, the four five-minute eps will feature a new group of characters and be titled Cold Storage. Among the cast members is Daniel Roebuck, who Lost fans may remember as Doc Arzt.

Here's a brief plot description from the network:

Cold Storage tells the story of a young man, Chase (played by Josh Stewart), trying to reach his sister in the early days of the zombie apocalypse. He finds temporary shelter in a storage facility run by a former employee named B.J. (Roebuck); however, things are not what they appear.

As a sneak preview, here's an exclusive image from the Web series:

The Walking Dead's third season premieres Oct. 14 at 9 p.m. ET on AMC.