It's every pet owner's worst nightmare: you realize your beloved pet has vanished from your home and is out in the world without any food, shelter or love. Now, there's a new team that can help you find your pet faster than those yellow flyers, social media posts or animal psychics can. Follow the tale of the brave trackers and their highly-trained dogs tasked with finding America's lost pets in Nat Geo WILD's new series Trackers.