What adults often take for granted in life's minutiae frequently delights children. For six year old Luna, the earth is a giant laboratory for her to explore with her little brother, Jupiter, and her pet ferret, Clive.
Luna, Jupiter and Clyde are playing soccer with some local Inuit children when they witness something truly spectacular - the aurora borealis. (S4, ep 1)
Luna, Jupiter and Clyde are at the beach when they spot some dolphins making all sorts of noises as they play. But what could they be saying? (S4, ep 2)
Luna's family are doing research in Teotihuacán in Mexico, when they begin to wonder, how exactly was this city built? They just have to know! (S4, ep 3)
Luna, Jupiter and Clyde visit an elephant sanctuary during the Thai New Year. They begin to wonder, what do elephants use their trunks for? (S4, ep 4)
Luna, Jupiter and Clyde are ice fishing with a friend. When they find an igloo, they are surprised to discover that it's nice and warm inside. How can that be? (S4, ep 5)
Luna and her family are in Hawaii. Everyone's excited to learn how to surf, which gets Luna wondering... how do waves form? (S4, ep 6)
When the trio go to the top of Mount Vesuvius, they are surprised to see steam rising up from the volcano's crater. It gets them wondering, why do volcanoes erupt? (S4, ep 7)
Luna's family are travelling in the desert when they notice how often sandstorms change their surroundings. How do people find their way in the desert? (S4, ep 8)
Luna, Jupiter and Clyde are in the desert with a friend. When night falls, they are surprised by how quickly the temperature drops and wonder why. (S4, ep 9)
Luna's family are at the top of a mountain when they realise that it feels a bit harder to breathe. Is there something different about mountain air? (S4, ep 10)
When Luna's family discover pink lakes on a Caribbean island full of pink flamingos, it gets them wondering... why are flamingos pink? (S4, ep 11)
Luna, Jupiter and Clyde are excited to see a blue whale for the first time. They are amazed by its size and begin to wonder, how did the whale get to be so big? (S4, ep 12)
Luna's family are enjoying their time in Australia when they see an animal they don't recognise. They soon discover it's called a platypus - but what is it? (S4, ep 13)
Luna, Jupiter and Clyde are on a canoe ride around Papua New Guinea. Underwater, beautiful corals can be seen - but what exactly are they? (S4, ep 14)
Luna's family are in Africa when they see a giraffe reaching for leaves at the top of an acacia tree. How did the giraffe's neck get to be so very long? (S4, ep 15)
While visiting an observatory in the Atacama Desert, Luna, Jupiter and Clyde hear about Voyager 1 for the first time. Where is it and what is its mission? (S4, ep 16)
Luna's family are visiting the Arctic. Jupiter spots a polar bear, but it quickly disappears into the snow. This gets Luna wondering, why are polar bears white? (S4, ep 17)
When they see a frog hop right onto a lily pad, Luna, Jupiter and Clyde notice how very strong the leaf is - but how can it hold a frog? (S4, ep 18)
When Jupiter loses his toothbrush in India, Luna's family learn that some cultures use twigs as toothbrushes! But why do we have to brush our teeth? (S4, ep 19)
Going through some of Dad's photos for work, the trio begin to wonder, how exactly do cameras work? It's time for a scientific investigation! (S4, ep 20)
Luna's family are in western Samoa when they discover how many amazing things can be done with coconut trees. But how does water get into a coconut? (S4, ep 21)
After seeing different plant species in the Amazon, Luna, Jupiter and Clyde begin to wonder - what do plants eat? They decide to investigate. (S4, ep 22)
Luna's family are exploring ancient ruins when they notice two stone arches that have somehow stayed in one piece over thousands of years. Why don't they fall? (S4, ep 23)
It's Jupiter's birthday! But the trio discover that their indigenous friends count time a bit differently. Which gets them wondering - what is a year exactly? (S4, ep 24)
Luna's family are visiting an amazing cenote in Mexico when Luna spots some stalactites. She gets to wondering, what exactly are they? (S4, ep 25)
Luna, Jupiter and Clyde are visiting a watermelon plantation in Africa - but the watermelons are on the ground and there are no trees in sight! (S4, ep 26)