Sean wants to walk on a moon. / Mitchell learns about black holes.

Which Moon is Best?/Detective Mindy

Mindy learns more about moons. /Jet meets Sean's mom, a scientist at the Deep Space Array.

More than One Moon/A Visit to Mom's Office

Celery flies the kids out to Mars. / Jet helps Sydney with her chores.

Beep Has the Blues/Chore Day

Sean tells everyone about the Apollo 11 mission. / Jet gives a birthday gift to Mindy.

Earth Mission to Moon/Mindy's Moon Bounce House

Ready Jet Go!

Full Episodes

Science Experiments

Gadgets

Planets

Solar System Song

Sunspot and Sydney help Mindy make Pluto a valentine.

Dear Little Frozen Pluto

The kids sing a song about the total eclipse.

Total Eclipse of the Sun

Jet sings a song about the potato plants on Mars vs Earth.

My Potato Changed

Jet sings about exploring the solar system.

Lone Star Song

Sing along with Jet and friends in this song, "Home Sweet Earth"!

Ready Jet Go!: Home Sweet Earth - Sing-A-Long

Ready Jet Go!: Home Sweet Earth

Milky Way Song

Failure Song

The kids sing a song about ice skating in July.

Ice Skating in July!

Everybody sings a song about the Asteroid Belt Space Race while racing.

Space Racin'!

I'm Finally Five!

Back on Earth, the gang sings about planet Earth.

There's No Planet Like My Planet (Reprise)

As they travel into interstellar superdrive, Sean sings about Earth.

There's No Planet Like My Planet

Celery sings the kids a song as they struggle to fall asleep.

Tiny Blue Dot

Carrot teaches the kids the Bortronian way to grow plants.

Grow, Plant, Grow!

Jet sings a song about Neptune to help Sean overcome his fears.

It's a Neptune Kind of Day

Every Day is Earth Day!

As the gang travels into the Bortron solar system, they sing about the 9 Bortron planets.

Bortron Solar System Song

Engineering Song

Songs

Dr. Amy Mainzer teaches us about the importance of the Apollo 11 Moon Landing.

Apollo Mission

Astronomer Amy Mainzer talks all about plants.

Plants and the Planet Earth

Dr. Ken Phillips tells us all about Endeavor and it's Payload Bay.

Endeavor's Payload

Machines are everywhere. But what are they, and how do people build them?

Machines are Everywhere!

Astronomer Amy Mainzer explains what asteroids are.

What Are Asteroids?

Astronomer Amy Mainzer demonstrates something called the doppler effect.

The Doppler Effect

Astronomer Amy Mainzer describes the things you can see in space with binoculars.

Telescopes and Binoculars

Astronomer Amy Mainzer demonstrates how you can see sound waves.

Sound Waves

Astronomer Amy Mainzer talks about gravity.

Gravity Keeps Us Grounded

Astronomer Amy Mainzer talks about orbits and how planet years are measured.

Orbits

Orbits-- CONTENT OUTSIDE FRAMEWORK

Astronomer Amy Mainzer talks about gravity and how we use rockets to get into space.

Gravity

Astronomer Amy Mainzer demonstrates what could happen if you took a racquetball to Pluto.

Fun with Temperature

Astronomy Amy Mainzer explains the phases of the moon.

Amy Mainzer Explains Why the Moon Changes Shape

Amy Mainzer uses a soccer field to explain the distance of the planets to the sun.

Amy Mainzer Explains How Big Is the Solar System

Astronomer Amy Mainzer talks about Huygens Probe.

Huygens Probe

Astronomer Amy Mainzer talks about the Voyager's Grand Tour.

Voyager Record

Astronomer Amy Mainzer explains how we track our satellites and explore the universe.

Astronomer Amy Mainzer explains how we can use radio waves to find asteroids.

Asteroid Imaging

Astronomer Amy Mainzer explains what we learned from the Voyager mission.

Voyager Mission

Amy Mainzer learns more about the Endeavor's payload bay.

The Endeavor's Payload Bay

Astronomer Amy Mainzer creates an electromagnet.

Electromagnets

Astronomer Amy Mainzer explains how a pair of binoculars is similar to a telescope.

Binoculars

Amy Mainzer is at the Jet Propulsion Laboratory to find out more about 3D printing.

3D Printing

Astronomer Amy Mainzer shows how a prism can split light into a rainbow of colors.

Prisms

Astronomer Amy Mainzer talks about infrared light.

Infrared

Astronomer Amy Mainzer visits the Mars Yard at NASA's Jet Propulsion Laboratory.

Mars Yard

Astronomer Amy Mainzer meets with an astronomer at the Palomar Observatory.

Hale Telescope

Ken Phillips talks about one of his favorite missions.

Endeavor and the Hubble Space Telescope

Astronomer Amy Mainzer talks about NASA's Voyager space crafts.

Voyager Speed

Astronomer Amy Mainzer talks about the speed of sound.

Astronomer Amy Mainzer meets with the curator of Aerospace Science

Endeavor

Amy Mainzer meets with the historian at NASA's Armstrong flight research center.

LLRV

Astronomer Amy Mainzer makes a homemade comet.

Homemade Comet

Astronomer Amy Mainzer meets with the operations manager at mission control.

Mission Control

Astronomer Amy Mainzer explains how aerogel can pick up pieces of a comet's tail.

Aerogel

Astronomer Amy Mainzer talks about space capsules, including Gemini 11.

Space Capsule Gemini

Meet Astronomer Amy Mainzer

Jets sings a song about the super saucer he made

Super Saucer

The team enjoys a fun game of minature golf on the Moon!

Moonie Golf

Sean tells about the Apollo 11 moon landing

Apollo 11 History

Jet and the team prepare for a rough saucer landing on the moon

Crash Landing

The kids go to Mars to pick up Jet 2 and find a Mars rock for Sean's Mother's Day gift.

A Present for Mom

Jet can't find his jacket or wallet...or Jet 2. Luckily mom knows!

Jet Retraces His Steps

The kids show off their kites but find out that Sean is home sick.

Let's Fly Some Kites!

Rocks and Minerals

Dr. Rafferty explains how our Sun is actually a star.

Our Sun is Actually a Star?

Mindy is preparing for her sleepover with Lilian.

How to Make a Bortronian Exploding Shake

The kids and Celery bring Sunspot up to the Sun in hopes he gets back to his old self.

Sunspot Visits a Sun Spot

Magnets

The kids test out what magnets are attracted to.

Magnets are Amazing

The kids decide to surprise Carrot with a magnet magic show.

Magnet Magic Show for Carrot

The kids imagine what life would be like living with three suns.

The Planet with Three Suns

The kids want to play outside but the Sun disappeared behind the clouds.

But We Want to Play Shadow Tag Now!

The kids fly around looking at different climates.

The Ideal Temperature

The kids try to keep the circus surprise party for a secret from Carrot.

A Surprise for Mr. Carrot!

The kids surprise Carrot with a Moon circus birthday party!

Happy Moon Circus Party!

Mindy thinks clouds are made of cotton, but just because she heard it doesn't make it true

Are Clouds Made Out of Cotton Balls?

The treehouse is too messy for the kids to play in, so they try to find other play areas.

Find Somewhere Else to Play

The kids learn about recycling from Dr. Rafferty.

Reduce, Reuse, Recycle!

The kids visit the DSA to find out about clouds.

Scientific Method to Find the Truth!

While chasing the rainbow, Mindy and Jet find a leprechaun!...or so they think.

Jet and Mindy Find a Leprechaun!

Sean explains why gardening is important while Jet sings a song about Mars.

Potatoes on Mars

Sean and Sydney explain what rainbows are to Jet and Mindy.

How Are Rainbows Created?

Ellen helps Jet figure out what's wrong with his rocket chair.

Jet's Rocket Chair Conundrum

Ellen Ochoa Visits the DSA

Sean finally meets his idol, Ellen Ochoa.

Ellen Ochoa Visits the Treehouse!

Sean and the kids run a lemonade stand to raise money for a rocket to Mars.

Lemonade for a Rocket to Mars

The Moon

The kids wonder why it looks like there's a face on the Moon.

Faces on the Moon

The kids and Celery make their own face on the Moon.

What the Moon's Face is Made Of

Mitchell and Cody find the treasure chest Jet buried.

Mitchell Finds Buried Treasure

Sydney and Sean explain was a topographical map is.

What's A Topographical Map?

Jet and Sunspot make a treasure chest for Mitchell.

Making a Treasure Chest

Amy talks about where our Earth is in the solar system.

Our Galactic Address

The kids and Celery navigate their climb up Mount Sharp.

Climbing Mount Sharp

The kids and Dr. Rafferty talk about different ways to prepare for winter.

Bird Migration

Animal Adaptations

The kids use their ideas to try and rescue Sean's Neil Armstrong action figure.

Rescue Neil Armstrong Action Figure

What Kind of Bird is it?

Sean worries about his Neil Armstrong action figure stuck in a hole.

He's Not Just An Action Figure

After carving out the giant pumpkin, the kids need to find a way to get it downtown.

Episodes

Exploring with Jet