In real science, a null result is a disaster because you probably can’t get the results published. And, even if you could, you might not want to publish because spending a lot of time and not being able to prove what you set out to prove looks bad.

But, on Mythbusters, they were the very best episodes. The team had a lot of common sense, so most of the time they could predict the outcomes. They still verified their assumptions, but it wasn’t that exciting. But, when the result went against expectations, they got so excited, and they worked really hard to verify they were wrong.