'The Simpsons' to 'House': FOX's 25 best and most important shows of the last 25 years

After "The Simpsons" (and until "Family Guy" passes it in a couple seasons), "King of the Hill" is the longest-running scripted series FOX has ever aired. It's also, for our money, one of the best at developing and maintaining well-rounded, believable characters. It was only two-dimensional in the sense that Hank and Co. were drawn on paper.