Why stars twinkle.
What the rings of Saturn are made of.
The pals learn about Mars.
Luna, Jupiter and Clyde have fun taking care of Luna's pet snail on a foggy day.
No one's ready for night to come in Luna's backyard because they are helping daddy in the garden.
A sudden rain shower catches everyone by surprise.
Luna and Jupiter look for a missing Clyde.
Luna and friends learn about spider webs.
Luna discovers that Jupiter and Clyde are afraid of thunder during a stormy night.
Why do some animals camouflage themselves? Time for another fun-filled make-believe in search of answers!
Luna and friends learn about silkworms.
While playing with toy cars, the pals discover that different types of surfaces influence how the cars move.
Luna learns about shadows.
The pals have fun with echoes.
The pals spot a roly poly while on a picnic in the backyard.
Luna learns about parrots.
Luna, her brother Jupiter and her pet ferret Clyde are stargazing at the ranch when they realise there are more stars here than back home in the city!
The trio are not quite ready to sleep so they decide to try dreaming about the fun things they want to do on the farm - until Luna questions, why do we dream?
Luna, Jupiter and Clyde are curious as to why they never see horses laying down. Do horses sleep standing up?
Luna, Jupiter and Clyde wonder how it is that Captain the dog always knows that Grandpa's home before anyone else.
The trio are giving Grandma's pig a bath. But as they turn their backs, he's right back to wallowing in the mud! Why do pigs love the mud so much?
Luna, Jupiter and Clyde are in the garden when Luna suddenly has a great big sneeze. But why did Luna sneeze? And what is a sneeze anyway?
The trio are surprised to find themselves covered in funny little prickly things after a hike on the ranch. What could it be?
Luna, Jupiter and Clyde are confused about whether we live in or on the planet Earth. After a trip to an observatory, they only find themselves with more questions!
The trio are having fun in the pool playing a game about outer space when Luna and Jupiter get to wondering, is it possible to live on Mars?
While taking care of things on the ranch, the trio discover that it's possible to make cheese. But when they try it out, something's not quite right with the recipe.
Luna is intrigued when an onion brings tears to Grandpa's eyes. Why would an onion make him cry?
Grandma is taking the trio for a little flight in her airplane. As they soar through the clouds, Luna finds herself curious - can you walk on the clouds?
When their good friend George comes to visit, Jupiter and Luna are surprised that he's grown so much since the last time they saw him. How could that be?
Watching Grandma flying her plane gets Luna wondering, how do airplanes fly? Time for another make-believe to get the answers to this puzzle!
As Luna, Jupiter and Clyde are taking care of the chickens, they are surprised to find the rooster crowing. Why would he be crowing so late in the morning?
Fascinated by Grandpa's old radio collection, Luna, Jupiter and Clyde try to discover what makes radios work.
A flea jumps from Captain the dog onto Jupiter and it gets everyone wondering, why does the flea jump? The trio leap into another make-believe to find out!
While building a little metal car, Luna, Jupiter and Clyde accidentally get a magnet stuck to it. Why do magnets stick to some things and not others?
After riding horses at the ranch, Luna heads to the stable to wash up. But why do they need to wash their hands when they don't even look dirty?
While taking a plane ride with Grandma, Jupiter spots the moon out during the day. He gets to wondering, why can't planes fly to outer space?
Stargazing one night at Plum Creek, the trio notices something very curious up in the sky: a great big long whitish streak! What could it be?
While the trio are picking oranges, Jupiter wants to try a green one that hasn't quite ripened yet. It gets them all wondering, why is fruit sweet?
When the trio see Grandpa and Galileo using pulleys and levers to do some really heavy work, it gets them wondering how these tools work.
While playing with some stamps in Grandpa's shop, Jupiter stumbles upon a fish fossil. But what exactly is a fossil?
On a picnic down by the lake, Luna, Jupiter and Clyde see some ducks swimming but realise that the ducks aren't wet! What could be the duck's secret?
While Luna and Jupiter are picking vegetables in the garden, the green and yellow peas get Jupiter wondering why people have different eye colours.
Luna, Jupiter and Clyde are playing soccer with some local Inuit children when they witness something truly spectacular - the aurora borealis.
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?
Luna's family are doing research in Teotihuacan in Mexico, when they begin to wonder, how exactly was this city built? They just have to know!
Luna, Jupiter and Clyde visit an elephant sanctuary during the Thai New Year. They begin to wonder, what do elephants use their trunks for?
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?
Luna and her family are in Hawaii. Everyone's excited to learn how to surf, which gets Luna wondering... how do waves form?
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?
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?
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.
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?
When Luna's family discover pink lakes on a Caribbean island full of pink flamingos, it gets them wondering... why are flamingos pink?
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?
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?
Luna, Jupiter and Clyde are on a canoe ride around Papua New Guinea. Underwater, beautiful corals can be seen - but what exactly are they?
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?
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?
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?
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?
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?
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!
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?
After seeing different plant species in the Amazon, Luna, Jupiter and Clyde begin to wonder - what do plants eat? They decide to investigate.
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?
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?
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!
Luna's family are visiting a coastal town in Japan. When their friend finds a rare pearl in an oyster, it gets them wondering, how do pearls get inside oysters?
After talking to Grandma and Grandpa on the phone, the trio get to wondering, how do telephones work?
On their way to the beach, Luna's family cross a bridge and notice several crabs eating leaves. But when they return, the crabs aren't there! Where could they be?
When Luna's family discover the region of Bonito in Brazil with their friend Alice, they decide to investigate where the water from the river comes from.
Luna's family are visiting the Dead Sea. When they all get in the water, they discover that it's incredibly easy to float. But why?
Luna, Jupiter and Clyde are in Hawaii with their friend Iolana, when they notice ants heading into the camper. But why do the ants walk in a line?
As Luna's family help Grandma plant her new tomatoes, they are surprised to find lots of little worms wiggling around in the dirt - and Grandma wants them there!
During a trip to the Caribbean, Luna, Jupiter and Clyde notice that some islands seem to float. Could that be so? The trio look for an answer!
When Luna and her family visit the Leaning Tower of Pisa, the trio are surprised to see the building really is leaning. How does it not fall over?
Luna's friends, the twins, tell the trio about their great-grandparents from India who used to make a perfume that smelled like rain! But how?
While picnicking in a park in Santiago, Luna's family spot a pretty little hummingbird flying around - backwards! The trio start to investigate.
Luna and her family are on a beach in France. When Jupiter starts to get a sunburn, it gets Luna wondering, how does sunblock protect us from the sun?
Luna's family are watching an airshow with some friends. When they notice the fighter jets flying in a 'V' formation, they begin to wonder why.
Luna and her family are visiting a reserve in China. The trio notice that the pandas all seem to have spots in the same places. Why do they look so alike?
While visiting a humanitarian centre in Jamaica, the trio discover how they prepare for hurricanes. The kids are curious and devise an experiment!
After falling off her bike, Luna comes back from the doctor with her arm in a cast. But Jupiter and Clyde just have to make sure that the cast will really work!
Luna's family are visiting a farm in Germany. When their friend takes the leftover food scraps to compost to make the plants happy, the trio decide to find out more.
When Grandpa wants to get a better look at a photo, he takes his glasses off - but Grandma has to put hers on! It gets Luna wondering, how do glasses work?
While Luna and her family are on a boat in Portugal, Clyde sees an octopus fit through a very small hole. How could that be possible?
Luna and her family are in Argentina, where there is going to be an eclipse! After her parents share a few stories, Luna decides to find out more.
When Luna's family visit the Great Wall of China, they are amazed to see just how big it really is. Can you really see it from outer space?
Luna's family are riding their bikes down a pretty canal in Amsterdam, when the kids see boats with houses on them! Houses are so heavy, won't the boats sink?
Luna's parents receive an incredible proposal: working and living at the space station for a while.
Luna and her family are very impressed with everything in the space station; after meeting their new neighbor, the group starts exploring this special place.
While observing the planet Earth, Luna, Jupiter, and Clyde are amazed by the wind currents and even more amazed when they discover that wind can be transformed into electricity.
Luna's family are camping in India. Jupiter thinks he's discovered a diamond, but it turns out to be a crystal instead. What makes diamonds so special?
While visiting their friends' farm in Germany, the trio are surprised to see that the strawberries look different... and taste even yummier!
Luna, Jupiter and Clyde want to make an animated show, but they don't know how. They set off on animated adventure, ending up in a very unexpected place.
Jupiter can't take his helmet off because his ears are stuck; the friends wonder why ears are shaped the way they are.
Luna, Jupiter, and Clyde are trying to play ball in the microgravity area where everything floats, but it's nearly impossible.
The trio is having their first sleepover at Kyiah's; when Kyiah's rather chatty pet owl keeps them awake all night, they are surprised to discover that owls don't sleep at night.
During a fun spacewalk, Luna, Jupiter, and Clyde find out there's no air in space, but wonder if that's true.
During a visit to the polar observatory, Luna, Jupiter, and Claudio wonder if penguins are really birds.
Max leaves the trio quite confounded after he shows them a few rocks from the Moon; Luna is over the moon when he tells them scientists aren't really sure where the moon came from.
Luna, Jupiter, Kyiah, and Clyde just have to know if planet Earth's air really comes from the Amazon... and where does the air on the Space Station come from?
When the artificial gravitational system on the Space Station fails, Luna, Jupiter, and Clyde become very interested in how the mechanism actually works.
Luna's father is working on an article about the round rocks of Costa Rica. Meanwhile, Luna, Jupiter, and Clyde discover a lizard with a very special ability, one so special it almost seems like a superpower.
Luna, Jupiter and Clyde are looking into space through a telescope. It's all so beautiful, and Luna begins to notice that some stars are more blue and others are more reddish. She wants to know why some stars are different colours.
Luna, Jupiter, and Clyde are amazed to discover scientists are thinking about building an elevator from earth to space! They're so excited by the idea that they decide they just have to make believe they're in the future and check it out!
When they hear that the water should not be wasted, the trio begins to wonder where the bath water is going after the drain of the space station is drained. To find out the answer, they embark on an aquatic adventure.
Luna, Jupiter and Claudio manage to see the inside of the north pole.
Luna, Jupiter and Clyde investigate the footsteps left by the first astronauts to visit the moon. They have great make believe fun learning about that historic visit and about the lunar atmosphere.
Kyiah scrapes her knee and Luna, Jupiter and Claudio suggest that she put on a bandage; everyone begins to wonder how wounds heal and why bandages help, and decide to embark on a fantasy in search of answers.
By participating in an extravehicular activity, Luna, Júpiter and Cláudio wonder what life is like in microgravity; in a fun experiment, they discover that it is not easy to eat, drink water, much less take a bath.
It's Halloween on the space station; Luna, Jupiter, Clyde and Kyiah have fun until the idea of haunted houses, witches and vampires starts to take over.
It's Halloween on the space station; Luna, Jupiter, Clyde and Kyiah have fun until the idea of haunted houses, witches and vampires starts to take over.
Luna, Jupiter and Clyde are looking out at space when they get to wondering what is in the very center of the planet Earth.
While painting a miniature moon, Luna, Jupiter, Clyde and Kyiah are shocked to realize they've never seen the back side of the moon.
A big chess championship on the station gets everyone fascinated to watch a robot play against a human.
Jupiter is a bit upset that it's taking so long to grow; Luna cheers him up by telling him that the boy Jupiter might still be small, but the planet Jupiter is enormous.
A game gets the trio laughing up a storm.
It's movie day on the Space Station and Luna and her friends want to get there as quickly as possible.
It's been ages since Luna, Jupiter, and Clyde have gotten to play in the rain and they miss it.
While playing in the lake, Luna, Jupiter, Cláudio, and Sorin get to wondering just how big the sun really is.
Luna, Jupiter, and Clyde have received an important mission from Earth: discover if it's going to rain on the day of Alice's birthday picnic.
Luna, Jupiter, Clyde, and Kyiah discover something they didn't know about Sorin and it gets them wondering all sorts of things.
Luna, Jupiter and Cláudio are very excited because Grandpa and Grandma are going to visit them on a trip to the Space Station in a new rocket. The trio begins trying to understand how rockets work through space make-believe.