On this Sunday's new episode of The Walking Dead...

• A group of survivors ventures down to the Center for Disease Control this week.
• One individual is forced to make a choice that has dire consequences.

Is that intriguing enough for you? If not, check out the following sneak peek at "Wildfire," which TV Fanatic will cover in depth shortly after it airs on AMC:

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.