Diego and his friends test their rescuing skills as they travel underwater and up tall mountains to save animals. In these action-packed expeditions around the world, pre-schoolers can join the Animal Rescue League as they help Diego and his friends undergo a test to earn a World Rescuers patch; help Bottlenose become an ocean animal rescuer by saving the ocean animals from a tsunami-like wave and then climb a treacherous mountain. An always enjoyable series.