A plastic yogurt cup inspires Luna and friends to learn more about recycling.
A neighbor's parrot soon has the gang pretending to be pirates at sea.
The gang learns about the roly poly bug and why it curls up into a ball.
Luna and friends discover what an echo is while walking through a tunnel.
The gang learns about shadows and makes some fun experiments.
The friends turn into toy cars to experience moving across different surfaces.
A gift from China inspires the kids to learn about silk.
After learning that chocolate comes from a tree, Luna and friends have to know more.
Clyde's birthday inspires the gang to figure out how old a tree is.
When they can't find Clyde, the friends find themselves thinking about camouflage.
Luna and friends wonder if the sun is a planet, but they think it's not.
The gang witnesses some strange behavior from Dr. Jane's dog, Snowball.
Luna teaches her dad's trick for determining the distance of a storm.
After finding webs in the backyard, the friends explore how spiders make them.
The gang is surprised to learn that oranges start out as flowers.
The kids become critters and ask the question: Why do animals have tails?
Luna and Jupiter try to determine how a kernel of corn pops into their favorite treat.
A snow day encourages the gang to question what snow is.
A gecko lizard in the kitchen sparks the question of how it sticks to surfaces.
Jupiter and his friends ask how his new pan flute makes noise.
Wondering how the moon's "holes" formed, the kids discover craters.
Watching fish at the pet shop, the friends want to know why salt water is salty.
The gang turn into hot air balloons to learn how they stay up in the sky.
Finding a lost kitten, Luna and Jupiter question why cats have whiskers.
The gang must become stars in space to learn how to find constellations.
Luna and Jupiter wonder why bubbles are always round.
A lost orange leads Luna and friends to the concept of flotation.
A rainbow inspires the kids to learn more about the "why" behind it.
A sunset inspires the gang to find out where the sun goes at night.
While playing with a pet snail, Luna wonders what it's like inside her shell.
The friends become intrigued by lightning bugs.
A dropped ice cream cone and Igor's astronaut sticker album makes the gang wonder about gravity.
Luna investigates how birds fly after discovering a nest in her garden.
Luna and friends notice interesting butterfly habits.
The gang checks out the zoo's new dinosaur exhibit.
Munching on delicious rolls at the bakery, Luna wonders what turns dough into such a fluffy treat.
When Clyde's toy boat sinks, the friends get curious about icebergs.
The gang sees an amazing backyard sight: a shooting star!
Luna and friends discover that ant colonies rely on strength and teamwork.
Clyde's grooming day gets the gang wondering what the world looks like through an animal's eyes.
Foggy mirrors in Luna's house get her thinking about condensation.
A howling dog and a full moon send Luna and friends to the lunar surface.
Luna becomes a water drop to learn how water becomes rain.
To learn about that fresh, just-rained smell, Luna, Jupiter and Clyde become radishes.
Luna and friends investigate the mystery of some missing kale.
After discovering Saturn's rings, Luna and the gang wonder if they can walk on them.
Luna wants to plant a banana tree, but where are a banana's seeds?
After the ballet, Luna notices bees communicating through dance.
The gang become robots to explore the surface of the planet Mars.
It's an interstellar adventure as Luna and friends find out why stars twinkle.
A day at the beach gets the kids wondering: Do fish drink water?
When she paints a yellow sun on a blue sky, Luna learns how to make the color green.
