What's the inspiration behind the Sears Tower? How did Oscar the Grouch become America's filthiest sweetheart? What are the world's biggest lakes? The hilarious, hirsute Tyler Labine (Deadbeat, Tucker &  Dale vs. Evil) swings by to help get to the bottom of these burning questions. Dan's out of town again (he's like the Carmen Sandiego of this podcast), so Razzle makes like Jesus and takes the wheel.