We have an all new clip from the new episode of MythBusters, which airs on Wednesday September 17 at 9 PM ET. Click below to watch Adam and Jamie put yet another myth to the test.

It's been reported the CIA have been working on a crowd control method that combines water with an electric stun gun. In this premiere episode, Adam and Jamie investigate if you can turn a conventional electric stun gun into a water-powered electric stun gun. Meanwhile, Kari, Tory and Grant test whether a fire extinguisher caught in a fire could actually blow up, release its contents and put the fire out all by itself.