Some of the most important environmental concerns facing humanity are examined in this series. This episode: an energy innovator submerges two turbines in New York City's East River.

Addressing some of our most important environmental issues, this episode focuses on transportation issues with interviews and features on green products and alternative ideas that may transform our everyday lives.

Addressing some of our most important environmental issues, this episode focuses on recycling issues with interviews and features on green products and alternative ideas that may transform our everyday lives.

Addressing some of our most important environmental issues, this episode focuses on food issues with interviews and features on green products and alternative ideas that may transform our everyday lives.

Addressing some of our most important environmental issues, this episode focuses on cultivation issues with interviews and features on green products and alternative ideas that may transform our everyday lives.

Gardening Guru Costa Georgiadis gets down in the Play School garden with Worm at the Bottom of my Garden and Wigglerly Woo.

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.