The Secret Lives of Animals series both inspires and delights viewers with its vibrant exploration of extraordinary animal behaviors, many captured on film for the first time. Each episode delves into pivotal moments in the life cycles of various animals — from birth and leaving home to raising a family, and from finding food to growing old — showcasing their striking intelligence and adaptability. Highlights include an orb-weaving spider constructing a deceptive "self-portrait" puppet to deter predators; a wood mouse that creates its own signposts; and, an unexpected relationship between a reticulated humming frog and a burrowing tarantula.