In this volatile episode of Joe Genius, host Jonah Ray explores the world of backyard chemistry, bringing you videos of the explosions, eruptions, and hilarity that ensue when mixing chemicals. Jonah throws on his lab coat and goggles and whips up some "Elephant Toothpaste."It's time for Joe Genius: Where backyard science goes BIG TIME. Joe Genius highlights home-grown Newtons who experiment, tinker, and yes, blow stuff up in the name of science. And it's all caught on tape! Join Jonah Ray as he whizzes through these geniuses' most epic failures and thrilling successes -- and of course, the science behind it all.