When the trio see Grandpa and Galileo using pulleys and levers to do some really heavy work, it gets them wondering how they work. They transform into super-heroes and discover the mighty power of these tools in the Lever and Pulley League.

While playing with some stamps in Grandpa’s shop, Jupiter stumbles upon a fish fossil. But what exactly is a fossil? Searching for answers, the trio tries to make their very own fossils in mud.

On a picnic down by the lake, Luna, Jupiter and Clyde see some ducks swimming. When they take a closer look they realize the ducks aren’t wet. How can a duck swim and not get wet? It’s time for another amazing investigation to discover the duck’s secret.

While picking vegetables in the garden, Jupiter wonders why he doesn’t have green eyes. After a little investigating, Luna comes up with the best make believe ever where they encounter their parents, grandparents, great-grandparents, and more!

Luna learns all about how waves form, why volcanos erupt, how nomadic people survive deserts, the concept of heat, and how altitude affects us.

Luna’s family is doing research in Teotihuacán, when they begin to wonder, how exactly was this city built? She’s just gotta know!!

Luna learns all about outer space, what color polar bears actually are, giant water lilies, why brushing your teeth is so important, and cameras.

Luna learns all about green coconuts, solar energy and chemical energy, keystones, the earth's orbit, stalactites and stalagmites, and fruit.

Luna and her family are in Hawaii. Everyone’s excited to learn how to surf, which gets Luna wondering… How do waves form? Where do they come from? She’s just gotta know!

When the trio go to top of Mount Vesuvius to explore, they are surprised to see steam rising up from the volcano’s crater and discover that it’s a volcano that is expected to erupt again. What exactly is a volcano and why do they erupt?

Luna’s family is traveling in the desert. Noticing how often sand storms seem to change their surroundings, she starts to wonder… How do people find their way in the desert when the points of reference are always changing?

Luna, Jupiter and Clyde are in the desert with their friend Gamali. When night falls, they are surprised by how quickly the temperature drops. Luna just has to know... Why does it get so hot during the day in the desert and so cold at night?

When Luna's family discovers Pink Lakes on a Caribbean Island full of pink flamingos, it gets them wondering... Why are flamingos pink? What's happening here?

Luna, Jupiter and Clyde are so excited to see a blue whale for the very first time. They are amazed by the size of the animal and begin to wonder, how did the whale get to be so big?

Going through some of Dad's photos for work, the trio gets to wondering, how do cameras work exactly? They decide it's time for a scientific investigation to find out exactly what's happening here.

Luna's family is exploring some ancient ruins in Israel when they notice something very interesting, two stone arches that have somehow stayed in one piece over thousands of years. It gets them wondering, how do the rocks in the arch stay together like that?

After seeing different plant species in the Amazon - Luna, Jupiter, and Clyde wonder: what do plants eat? They dive into a scientific investigation to discover what's happening here.

It's Jupiter's birthday! His indigenous friends tell him his birthday happens to be right during the "enchente de Jararaca". Luna, Jupiter, and Clyde are confused, seems that their friends count time a bit differently. What is a year exactly?

Luna, Jupiter, and Clyde are visiting a watermelon plantation in Africa with their parents. They’re very excited to see what watermelon trees look like, but to their surprises they find the watermelons on the ground and no trees in sight!

Luna's family is visiting an amazing cenote in Mexico, swimming in the beautiful waters and exploring the trails. When Luna spots some especially spectacular stalactites, she gets to wondering, what exactly are stalactites? What's happening here?

Luna’s family is visiting a small coastal town in Japan. When their friend finds a rare pearl in an oyster it gets them wondering… How do pearls get inside oysters? What’s happening here? They’ve just gotta know!

Luna’s family is visiting a farm in Germany. When their friend, Greta, takes the left-over food scraps to compost and make the plants happy, it gets the trio wondering… What is composting? And how do food scraps make plants happy? What’s happening here?

Luna, Jupiter, and Clyde want to make an animated show, but they don’t know how. They set off on animated adventure to discover how it’s done. In make believe the trio ends up in a very unexpected place.

While vising their friends’ farm in Germany, Luna and her family are surprised to see the strawberries look different than what they are used to…and are even yummier! They find out it’s because they’re organic, and they want to know more!