When she paints a yellow sun on a blue sky, Luna learns how to make the color green.
A day at the beach gets the kids wondering: Do fish drink water?
It's an interstellar adventure as Luna and friends find out why stars twinkle.
The gang become robots to explore the surface of the planet Mars.
After the ballet, Luna notices bees communicating through dance.
After discovering Saturn's rings, Luna and the gang wonder if they can walk on them.
To learn about that fresh, just-rained smell, Luna, Jupiter and Clyde become radishes.
Luna becomes a water drop to learn how water becomes rain.
A howling dog and a full moon send Luna and friends to the lunar surface.
Foggy mirrors in Luna's house get her thinking about condensation.
Clyde's grooming day gets the gang wondering what the world looks like through an animal's eyes.
Luna and friends discover that ant colonies rely on strength and teamwork.
When Clyde's toy boat sinks, the friends get curious about icebergs.
Munching on delicious rolls at the bakery, Luna wonders what turns dough into such a fluffy treat.
Luna investigates how birds fly after discovering a nest in her garden.
A dropped ice cream cone and Igor's astronaut sticker album makes the gang wonder about gravity.
The gang must become stars in space to learn how to find constellations.
Watching fish at the pet shop, the friends want to know why salt water is salty.
Luna and Jupiter try to determine how a kernel of corn pops into their favorite treat.
After finding webs in the backyard, the friends explore how spiders make them.
Luna teaches her dad's trick for determining the distance of a storm.
When they can't find Clyde, the friends find themselves thinking about camouflage.
After learning that chocolate comes from a tree, Luna and friends have to know more.
The friends turn into toy cars to experience moving across different surfaces.