Preview | Pets: Wild at Heart | Episode 1| Playful Creatures - PETS Wild at Heart | Episode 1 | Preview

Our pets may seem familiar but they exist alongside us in a secret world of wild behavior and natural abilities that we hardly recognize. This two-part series explores this parallel existence with all the techniques that have been perfected in past “spy” shows, including HD spy cameras, night vision cameras, drones, miniature on-board cameras and digital high-speed cameras.