Luna’s family has stopped at Plum Creek Ranch to visit Grandma & Grandpa. As they help Grandma plant her new tomatoes they are surprised to find lots of little worms wiggling around in the dirt. What’s even more surprising is Grandma wants them there!

Luna and her family are in Argentina where there is going to be an eclipse! The evening before, as her parents start telling the kids a few stories about this phenomenon, Luna wonders… what exactly is an eclipse?

Luna, Jupiter, and Clyde are playing with their indian friends: Vikesh and Paksha. When it starts raining, the twins tell them about their great-grandparents who used to make Mitti Attar, a perfume that smelled like rain!

Luna and her family are in Portugal, on an oceanographic research and cleaning boat. When Luna and Jupiter notice the researchers putting a sea turtle back in the ocean, Clyde spots an octopus fit through a very small hole.

Luna and her family are visiting the Wolong Reserve in China. The trio notice that the pandas all seem to have spots in the same places and it gets them wondering... Why do pandas all look so alike? Why do pandas have spots?

Luna learns all about the calcium in our bones, composting, what glasses people should wear, octopuses, and eclipses.

Luna and her family are on a beach in France. When Jupiter gets a red spot where he didn’t put his sunblock on correctly, it gets Luna wondering… how does sunblock protect us from the sun?

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? During the investigation, they’ll meet some friendly ants and sing a cool song with them!

Luna’s family is in Holland riding their bikes down a pretty little canal in Amsterdam. The kids are incredibly surprised that some people in Amsterdam have houses on boats!! Houses are so heavy, won’t the boats sink? What’s happening here?

Luna’s family is watching an air show with some friends. When some fighter jets fly in V formation, they wonder why. Turns out it’s easier to fly long distances in V, they learned it from the birds. But why do birds fly in V formation?

Luna learns all the man-made structures that can be seen from space, different ways to make boats float, diamonds, the basilisk lizard, organic fruits and vegetables, and animation.

Luna learns all about how hummingbirds are different from other birds, how sunblock works, flying formations of birds, panda bears, and hurricanes.

Luna's family is visiting a small polar bear research center in Arctic Russia. Jupiter spots a polar bear, but it disappears into the snowy area before the others have a chance to see it. This gets Luna wondering, why are polar bears white?

When Luna’s family visits the Great Wall of China, they are all amazed to see just how big the wall really is. Which gets them wondering… is it possible to see buildings and things like the Great Wall of China from outer space?

When Luna spends time with her grandparents at the beach, she begins to wonder why Grandpa has to take his glasses off to see something close but Grandma needs to put hers on. Why do some people need glasses and others don’t? How do glasses work?

When Luna and her family visit the leaning tower of Pisa, the trio is surprised to see the building really is leaning. How can a building lean like that and not fall over? To answer this question, they’ll need to think like tower builders.

After talking to Grandma and Grandpa on the phone, the trio get to wondering… how do telephones work? They begin a fun investigation and discover the electromagnetic waves!

After falling off her bike, Luna comes back from the doctor with her arm in a cast. When Jupiter and Clyde see the cast they are very worried. Luna tells them the doctor said it’s just too keep the arm immobilized until it’s fixed.

The kids are surprised to find out one of the important things the center does is prepare for hurricanes. They are curious and decide to do a dangerous experiment: They try to create their own hurricane and then embark to a trip to open seas.

During a trip in the Caribbean, Luna, Jupiter, and Clyde notice that some islands seem to float. Some of them are so small it really seems possible that they might actually float. Could that be so?

While picnicking in a park in Santiago, Luna’s family spots a pretty little hummingbird flying around. The trio is surprised when they see the bird fly backwards… Birds can fly backwards?

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? What's happening here? They've just gotta know!