Inside Your Walls (S18E01)

You might not realize it, but there's an entire hidden world within your walls. Delve into the seemingly ordinary and discover surprising, even startling, insights. A tech-savvy home in Colorado reveals the advanced gadgets that are set to fill our walls in the near future. Meanwhile, at Orkin's headquarters in Atlanta, specially designed walls with cutouts and Plexiglas showcase how various pests can swarm inside our living spaces. In Washington, researchers at Underwriters Labs experiment with fire to understand how walls can protect us or lead to devastating consequences. Lastly, in Los Angeles, a security firm unveils cutting-edge technology capable of "seeing" through walls, detecting movements, heat, and even heartbeats.