And while walkers -- called "empties" in World Beyond -- are certainly still in the mix, their once-shocking impact is starting to reach the point of diminishing returns. The two previous series have famously survived slow and uneven seasons -- often returning better than ever -- but World Beyond beginning in a slump isn't encouraging. Coupled with the fact it's the third show in a decade-old franchise, its uninspired storytelling and familiar foes don't bode well for its future.