AMC has released a short preview teaser for the season finale to their new zombie drama “The Walking Dead,’ which is set to air this Sunday, December 5th at 10/9c. If you haven’t been watching what is one of this arguably one of this season’s best new drama, it’s still not too late. Even though the finale will soon be upon us, because of the short season (six episodes in all) you can still catch up!

Here’s the episode’s synopsis:

EP 106 — “TS-19” *Season Finale*
Rick and the group are allowed into the CDC, by a strange doctor. But all is not what it seems in their newfound haven.