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

What began as a series of roughly drawn short cartoons on "The Tracey Ullman Show" has become the longest-running scripted series in the history of prime-time TV, and arguably the best comedy ever as well. Even if only, say, 150 or 200 of its 500-plus episodes could be considered truly great, that's still an unparalleled record in television.