Soft bodied invertebrates have no bones or major hard parts, which gives them some big advantages.

Many of the earth's scariest creatures are actually just trying to survive.

Heat can change things in surprising and amazing ways.

Extreme cold can be dangerous, but some animals and plants can adapt to it. Throughout human history, our species has used ingenuity to adapt too.

Many animals and plants have poison or venom for survival. We humans have found ways to protect ourselves, but we still need to be careful.

By getting to know our food, how it's made and where it comes from, we can make choices that can help the environment and even change the world.

From lightning to lightning bugs, nature and the cosmos create it own light in a spectacular variety of ways.

Humans have been discovering and inventing things since the dawn of our species, but there's still lots more to discover and invent.

Pain is unpleasant, but it's our body's way of telling us when we are hurt, sick or in danger.

Our brain can play tricks on us, and there's a lot of cool science in what fools our senses.

Forests are important to humans, animals, and the entire ecosystem: a home for many creatures, a source of oxygen to breathe, as well as many products like wood and paper, and even medicines.

We often think that sticky is icky, but nature uses stickiness in many ways.

Darkness is a state that means there is low level light or absence of light, and it influences all life forms on Earth.

Harrison's little sister decided to improve Harrison's show by mixing up all the clips and adding sparkly dancing unicorns.

Harrison wants to go to space, but first he'll have to learn how to float in zero gravity, sleep standing up and figure out how a rocket works.

To find out where dragon legends could have come from, Harrison goes on a quest to find the biggest, dragon-iest reptiles in the world.

Harrison's water is shut off today because of a water main break, so he's extra interested in how water is formed and how we can conserve it.

Harrison and a cheeky humanoid robot named Nao 1337 compete to see whether humans are better than robots.

Harrison invites animal experts who bring over a live kangaroo, skunk, marten and snapping turtle. Turns out, different animals use their tails for different purposes.

Harrison wants to find out if he can really make gems from charcoal or gold from lead. A geologist guest shows him that other kinds of rocks are cool too!

Someone took a bite out of Harrison's cheese sandwich! Who was this nefarious nabbler?

Harrison starts a pet-sitting service, but he's soon overwhelmed by how much work it is especially when one of the pets turn out to be surprisingly wild.

Harrison finds out how a car works when a teenage race car driver brings her mini Formula 1 to Harrison's house.

Hold on to your nose! Harrison decides to do a show about, well you know. He's visited by a paleontologist who brings million-year old fossils of dinosaur poop.

Harrison is on a quest to break a karate board with his bare hands, but first he'll need some expert help.

How does my TV work? Kellyn, resident scientist Clare and the crew are joined by the man who invented the toilet to answer all your questions about household science.

From a dinosaur detective to a school for bandicoots and an awesome DNA DIY, it's all in this biological episode: where the ordinary becomes extraordinary.

Andy Day knows young animals all have favourite meals. For meerkats, a scorpion is a tasty treat. In Finland, racoon dog pups stock up before winter arrives, and young capuchin monkeys enjoy shellfish.

A 200 million-year-old fossil - the bones of a giant sea dragon - has been discovered on the Jurassic coast of Britain. David Attenborough joins the hunt to bring this ancient creature's story to life.

The Playroom is a very special place for stories, adventures and discovering as Chris, Pui and their friends explore everyday themes that relate to young children's lives. Anything can become the start of an adventure! Join in the fun!

Lola is a very fussy eater, she won't eat mushrooms, or peas or fishfingers and she will never ever eat a tomato! Charlie helps her to discover that peas are really green drops from Green Land and mashed potato is cloud fluff from the pointiest peak of Mount Fuji. But will she eat that tiny weeny tomato? Never! But she might just eat a moonsquirter.

In Antarctica, a seal pup takes its first journey under the ice. Leopard cubs must climb as they explore the river bank with mum. A tiny goby fish faces a huge obstacle - getting up a waterfall.

Want exclusive behind-the-scenes access? Tune in! We're hitting the cricket stadium for a special surprise, joining a real-life pony club, and discovering how to run a port.

Andy Day sees how coatis follow mum's tail to safety in the forest. Eider ducks keep a wolf busy while their ducklings find a safe spot. The big mouthed hap is strangest of all - the young fish hide in its mouth.

The Playroom is a very special place for stories, adventures and discovering. Chris, Pui and their friends explore everyday themes where anything can become the start of an adventure!

Is it picky eating, or a food disorder? Some children who appear to be fussy eaters actually have an eating disorder which makes them fearful of eating. Those who suffer from avoidant restrictive food intake disorder (ARFID), a newly categorised eating disorder, find the very sight of food makes them feel sick, and this program explores this eating disorder. This is an intimate, inside look at the daily lives of very selective eaters and ARFID sufferers. It touches on subjects that affect everyone: our perceptions of taste, our parenting skills, and how phobias and dislikes are formed.

What are colours? Why does mixed paint go brown? How do you make a colour? Kellyn, resident scientist Clare, and the crew are joined (not live) by Isaac Newton and his colour wheel to answers your questions about colours.

Emilie and Harriet have two weeks to slim down for their boudoir photo shoot, cousins Natasha and Chiquita go on six-week dieting plans to lose weight before Natasha's wedding, and brothers Gary and Wayne want to slim down for a darts competition in four months' time. Xand also investigates how exposure to extreme temperatures can affect weight loss and finds out if chewing for longer can make us eat fewer calories.

In Africa, young meerkats learn to look out for their mob. Emperor penguins work together to keep their chicks fed and warm. The fry of convict fish stick together in a shoal to fool bigger fish.

The Playroom is a very special place for stories, adventures and discovering as Chris, Pui and their friends explore everyday themes that relate to young children's lives. Anything can become the start of an adventure! Join in the fun!

What is an omnivore? What is an Apex predator? Kellyn, resident scientist Clare and the crew are joined by Craig the crocodile as they chew over the answers to questions about the food chain.

This is one wild curriculum. We're checking in with vet nurse students as they get ready to graduate, enrolling in boarding school and heading to a herding class for dogs.

Andy Day sees how lions aren't born with a loud roar. In Antarctica, a penguin chick can be heard by his mum despite 150,000 others. A baby macaque must learn the value of funny faces if she is to fit in.

Why do we need mining? How do you find precious stones? Kellyn, resident scientist Clare and the crew are joined by Peter the Gold Prospector as they dig up answers to questions about mining.

Lola and Lotta both love their tricycles but when Lotta is given her big cousin's bike, Lola wants a big bike too. She gets Charlie's old one and is delighted.

When Charlie and Lola visit Granny and Grandpa they always build an extremely special sandcastle on the beach and they always do it together. This time a little girl, followed by her whole family, is determined to join in and Lola's not too happy about it.

David Attenborough tells the revealing story of this Caribbean island's exotic but vulnerable wildlife. We see how Puerto Rican parrots, manatees and turtles are now making a comeback.

Having begged Granny and Grandpa for a scooter, Lola suddenly decides that she now wants a pair of real, actual ice-skates. Everyone is dubious. Charlie reminds her she felt the same about her old yo-yo and Dad warns her that he doesn't want to find the ice-skates in the bottom of her cupboard. But Lola is adamant she needs actual ice-skates because they are sparkly and white, and when she gets them, she will be the best ice-skaterer in the whole school. But it's not quite that simple.

The sengi is one of the fastest small mammals on earth - it even has a racetrack. In the Arctic, guillemot chicks leap from clifftop nests. Chacma baboons walk upright to reach the best food.

Where does snot come from? Why do we burp and fart? Join Kellyn, resident scientist Clare and the crew as we dive into the digestive system to find answers to your questions about bodily functions.