Description: Sweet Little Lies: Peabody uses a shock collar to teach Sherman that honesty is the best policy when Sherman begins to fall into a lying spree, though shockingly, he needs a lesson himself. Allan Pinkerton: Allan Pinkerton, the founder of private eyes, is called to solve a mystery of stolen diamonds, but needs help from Peabody and Sherman to reign in his impatience first. Historical Figures: Vincent Van Gogh, a child George Washington, Allan Pinkerton