Dr Harry meets the world's smallest monkey, an animal with a big nose, and some native Australian animals.

Doctor Harry meets some dogs on the front lines of Australian border security and meets the vets taking care of sick and injured animals at Melbourne Zoo.

Dr Harry comes into contact with a variety of tiny insects that can be found in the backyard, as well as small penguins.

Dr Harry meets one very large cat, heads to Canada to learn more about cowboys, and meets a panda at Adelaide Zoo.

Dr Harry gets to hold a rare macaw, and meets some talkative birds and an excitable pelican; chicken trainers demonstrate the results of their training.

Doctor Harry visits a home for horses bringing hope to people who need it most, and hears a touching story about a young girl and a dog.

Dr Harry checks some of the most deadly and dangerous creatures in Australia, including crocodiles, female red back spiders, and the Tasmanian devil.

Dr Harry gets to know a lionfish; a guinea pig with a lot of fur; a cat cafe in Melbourne; Sheila, the black sheep diva; a pair of twins on a mission to save seabirds.

Dr Harry gets a glimpse into the world of the past, meeting some important animals who lived side-by-side with humans, playing an important role in certain times in history.

Dr Harry heads to country Victoria, where one dog will be crowned King of the Kelpie and meets the fastest bird on the planet.