One thing I'd like to see on certain TV shows are follow-ups to stories. Specifically I'm talking about real-life shows like Cops or design shows. Another show I'd add to the list is Kitchen Nightmares, the FOX (and Channel 4) show that has Gordon Ramsay going into restaurants and helping them get their act together.

Some episodes of the show feature Ramsay visiting the place weeks or a few months later, but I'd like to see the restaurants a year or two later, to see if they're still doing things Ramsay's way or not (and if they're still in business).