AMC has revealed a promo and clip from the upcoming episode of The Walking Dead entitled Alone. The clip features Maggie, Sasha and Bob defending against walkers while in a dense fog surrounds them. We also have two behind-the-scenes featurettes from Still with producer Greg Nicotero and cast members taking about scenes from the episode. Watch as Sasha accepts their fates in the new world in the promo and catch Alone Sunday, March 3rd at 9pm ET on AMC.