Collar of Duty captures the incredible true stories of the service animals working to change people’s lives. From prisons to courtrooms, classrooms to medical emergencies, this series reveals the ways in which animals are making a major impact on the lives of the people who need them most. We talk to the family members, friends and dedicated animal trainers that help get these animals ready to assist; and we explore the latest technology being used in animal training, and meet the engineers building the next generation of gadgets. It’s a topic that is timely and transcends politics, culture and economic status, and this vivid series packs an emotional punch: at times moving and other times heartwarming and humorous - as life with animals so often is.