One of the longest running rumours amongst Simpsons fans was that Bart was depicted with a blue shirt in merchandise to ward off bootleggers, or at least to make it easier to spot fake Simpsons merch.

This is a fat Bart, having an aneurysm at the plate, while spouting a lame rhyme as the crowd mocks him for striking out? Who is this even for? If you own this shirt, I really want it. Naturally ...

blue shirt. 20th Television Although always ... So what's the deal really? Why did Bart wear blue in Simpsons-related media and merchandise, but never in the show itself?