Ready Jet Go!

The kids and Sunspot attempt to build the tallest tower ever on the Moon, hoping to beat Jet's cousin's record.

"Space Junk" - After learning about space junk, the kids are determined to help do their part to clean up their "space neighborhood.

The kids and Sunspot attempt to build the tallest tower ever on the Moon, hoping to beat Jet's cousin's record.

Sydney, Sean, and Mindy help Jet experience his first Halloween.

"Space Junk" - After learning about space junk, the kids are determined to help do their part to clean up their "space neighborhood.

The kids are attempting to grow prize-winning pumpkins in the back yard.

Sydney, Sean, and Mindy help Jet experience his first Halloween.

The kids are attempting to grow prize-winning pumpkins in the back yard.

Sydney, Sean, and Mindy help Jet experience his first Halloween.

Sydney, Sean, and Mindy help Jet experience his first Halloween.

The kids are attempting to grow prize-winning pumpkins in the back yard.

Date Night - When Jet realizes that it's the anniversary of Carrot and Celery's first date, he wants to recreate that first picnic they had on one of Bortron 7's moons.

Jet is fascinated by the effects of wind on his saucer.

"Diggin' Earth" - The kids try to dig into the Center of the Earth (a la Commander Cressida), but after finding out that the center is much too hot and the layer of Earth leading up to it is solid rock, they re-vamp their plans.

Jet is amazed to find out that the entire Earth doesn't have the same season at the same time.

"Beep and Boop's Game" - The kids help Dr.

Date Night - When Jet realizes that it's the anniversary of Carrot and Celery's first date, he wants to recreate that first picnic they had on one of Bortron 7's moons.

Sunspot needs to climb one more mountain to join an elite space climbing club - and the mountain happens to be Mt.

When the kids experience an earthquake in Boxwood Terrace, Celery takes them up into space to study the Earth's plates and fault lines from above.

The kids observe the full Moon at night and wonder why it seems to have a "face.

Mindy is impatient for winter, because she wants to ice skate.

"Beep and Boop's Game" - The kids help Dr.

Date Night - When Jet realizes that it's the anniversary of Carrot and Celery's first date, he wants to recreate that first picnic they had on one of Bortron 7's moons.

Mindy is impatient for winter, because she wants to ice skate.

Jet's robot Jet 2 needs new wheels if he's going to be able to rove over the surface of Mars.

Celery has souped-up the family saucer, adding new features for the kids to use, including a robot arm.

"Tour of the Solar System" - Jet attempts to play the "Solar System" game with Sean, Sydney, and Mindy, but the kids don't quite understand which planets go where.

Mindy Pet-sits Sunspot - Sean, Sydney, Jet, and Carrot head out to view the Northern Lights.

Sean is planning his first sleepout under the stars with his Space Scouts troop, but the weather is threatening, and it looks like his sleepout will be rained out.

The kids join Celery in a space race between them, Uncle Zucchini, and Auntie Eggplant and Zerk.

"How We Found Your Sun" - Jet explains how his family, the Propulsions, found Earth by way of the Sun, a star in the Milky Way galaxy.

Jet takes the kids on a saucer tour all around the Earth to discover all the ways that water can be found.

The kids can't play shadow tag because the Sun keeps going behind clouds.

Comet Fever - The neighborhood is having a star gazing party when Mindy discovers what may be a new comet.

Sean is planning his first sleepout under the stars with his Space Scouts troop, but the weather is threatening, and it looks like his sleepout will be rained out.

Mindy Pet-sits Sunspot - Sean, Sydney, Jet, and Carrot head out to view the Northern Lights.

The kids join Celery in a space race between them, Uncle Zucchini, and Auntie Eggplant and Zerk.

It's evening at the cul-de-sac, and the kids are looking at two asteroids through Sean's telescope - one is light-colored and one is dark.

"Sunspot and the Great Red Spot" - Sunspot is determined to get to Jupiter to meet his fellow pet aliens, other members of the Red Spot Club.

While making a cake, Carrot and Mindy find they are one are short one ingredient, so they head to the store.

"Which Moon is Best?" - Sean wants to be the first to walk on a moon, like his hero Neil Armstrong.

"Round and Round" -The kids learn how all the planets both orbit around the Sun and rotate on their own axes at the same time.

Sunspot begins acting strangely, and Jet fears that he is sick.

"So Many Moons" - When Mindy is concerned that the possible addition of a younger sibling to her family might be a challenge, Jet says imagine having a family with more than 60 siblings!

As the kids get ready for Valentines Day by making their own valentines out of paper, Mindy continues to feel sad that little, frozen Pluto is so far out at the edge of the solar system.

Mindy has finally turned five and is super excited that she is now old enough to go to space.

"Round and Round" -The kids learn how all the planets both orbit around the Sun and rotate on their own axes at the same time.

"Which Moon is Best?" - Sean wants to be the first to walk on a moon, like his hero Neil Armstrong.

"So Many Moons" - When Mindy is concerned that the possible addition of a younger sibling to her family might be a challenge, Jet says imagine having a family with more than 60 siblings!

Mindy has to go to bed when the Sun goes down, but she's having such a fun day with her friends.

Mindy's mom has gradually been giving Mindy permission to go a little bit farther in the neighborhood on her own, and Mindy is trying to map out exactly what her boundaries are.

"More than One Moon" - Mindy is shocked to learn that there is more than one moon in the solar system.

"Diggin' Earth" - The kids try to dig into the Center of the Earth (a la Commander Cressida), but after finding out that the center is much too hot and the layer of Earth leading up to it is solid rock, they re-vamp their plans.

Sean's nervousness about flying out to visit the remote Neptune is soothed by Jet's suggestion - an improvised, fun "Neptune tune.

Asteroids, Meteors, and Meteorites - Sean is determined to beat his mystery competitor at a video game of "Astro-Tracker.

When Astronaut Ellen Ochoa comes to visit the DSA and review an engineering project, she runs into the kids, who are running Sean's lemonade stand to raise money for a rocket to Mars.

"Beep Has the Blues" - Beep is sad because her sister rover on Mars, Boop, is sick and can't move.

"More than One Moon" - Mindy is shocked to learn that there is more than one moon in the solar system.

"Diggin' Earth" - The kids try to dig into the Center of the Earth (a la Commander Cressida), but after finding out that the center is much too hot and the layer of Earth leading up to it is solid rock, they re-vamp their plans.

Jet pitches an idea for the annual Boxwood Terrace Christmas Pageant, and not only is it accepted, he gets to direct it!

"A Kid's Guide to Mars" - Celery and Carrot need to update their guidebook about Mars, and the kids join them on a trip to see how much things have changed on Mars in the last four billion years.

"Which Moon is Best?" - Sean wants to be the first to walk on a moon, like his hero Neil Armstrong.

Solar System Bake-off!

Jet, Sydney, Sean, and Sunspot join Celery as she competes against her brother, Uncle Zucchini, in an "Earthie-style race with a winner"!

Ice Moon Enceladus - Sean sets up a sno-cone stand to help raise money to send a spaceship to Mars.

"Tiny Blue Dot" - A rollicking, song-filled recap of the Propulsion family's mission to Earth - as intergalactic travel writers, they really know their way around the Milky Way, and know the difference between a lovely, livable "Goldilocks Planet" like Earth, and the other, way less-livable planets!

"Space Junk" - After learning about space junk, the kids are determined to help do their part to clean up their "space neighborhood.

Jet pitches an idea for the annual Boxwood Terrace Christmas Pageant, and not only is it accepted, he gets to direct it!

Solar System Bake-off!

Ice Moon Enceladus - Sean sets up a sno-cone stand to help raise money to send a spaceship to Mars.

"Just the Right Distance From the Sun" - Sean explains to the others that Earth is a "Goldilocks" planet because it's not too hot and not too cold.

Mission to Mars - When Jet and Sydney interrupt Sean doing some training in his backyard to eventually lead a mission to Mars, Jet suggests they just have his mom fly them out to Mars.