In early seasons of
The Simpsons, Lisa and Bart had a couple of birthdays. Since then they haven't aged. On
South Park, the boys finally moved up to fourth grade. And recently on
King of the Hill, Hank's dad Cotton passed away. That episode in particular was a masterful example of when a cartoon can move its timeline forward using a major event. Cartoons don't necessarily have to move forward in time the way dramas might, but if a milestone or major event, like in
King of the Hill, is portrayed sparingly and thoughtfully, the episode can have a big impact. I thoroughly enjoyed
"Death Picks Cotton," not only because it brought a little reality to the cartoon by moving the timeline forward, but also because it wasn't pretty, sappy or simple. Well done, Mike Judge.