Andrew Lincoln is killing it these days on The Walking Dead. And, for once, we're not referring to zombies.

The actor, instead, has simply been terrific in his portrayal of a despondent Rick Grimes, never more so than throughout his reaction to Lori's death on this week's "Say the Word."

Next Sunday, viewers can expect Rick to continue with his struggles, while Andrea grows closer to The Governor and Glenn and Maggie go on a run. Watch the official AMC preview now:

And then witness Rick in action, as he checks in on his group of survivors in this sneak peek:

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