We've all seen truth serum in any number of big screen thrillers, or read about it in fanciful crime novels. A spy, a terrorist, even a high-ranking politician gets shot up with a mysterious substance that has them, despite all their efforts, revealing top-secret information: the location of a hidden treasure, the codes to a nuclear weapon, the true identity of a mysterious mob kingpin. But is there a real truth serum -- a genuine chemical that could make you conspire against yourself? In this episode, Ben and Matt find out.