"The Walking Dead" ended its 11th and last season with a bang. While three spinoffs are coming soon, including "Dead City," it was the final farewell to the flagship series. Throughout its run, diehard fans came to care deeply about its characters and were glued to their televisions, hooked into stories about survival and keeping humanity intact. Characters such as Rick Grimes (Andrew Lincoln) made the show what it quickly became — a ratings juggernaut. It may not have reached the creative...