Episode 1 - Tour of the Solar System/Jet Cooks Dinner

Celery teaches Jet, Sean, Sydney and Mindy about the planets in our solar system; Sydney, Mindy, Sunspot and Sean help Jet cook for his parents.

Episode 2 - How We Found Your Sun/Treehouse Observatory

Jet explains how his family found Earth; the kids turn a treehouse into their own observatory to view the nighttime sky.

Episode 3 - Round and Round/The Plant From Bortron 7

The kids learn how the planets orbit the sun and rotate on their own axes at the same time; Jet gets surprising results when he attempts to grow a plant from his home planet.

Episode 4 - Just the Right Distance from the Sun/Solar Power Rover

The kids learn how Earth is the perfect distance from the sun; Jet, Sean and Sydney learn about solar power.

Episode 5 - How Come the Moon Has Craters?/Backyard Moon Base

Episode 6 - How Come the Moon Changes Shape?/Night of a Bazillion Stars

Episode 7 - Earth Mission to Moon/Mindy's Moon Bounce House

The kids do a re-enactment of the first moon landing. Jet gives a gift to Mindy, which allows her to defy gravity.

Episode 8 - Beep has the Blues/Chore Day

Beep is sad because her sister Boop is sick and can't move so the kids fly to Mars to figure out what is wrong; Jet and Sean help Sydney turn her chores into fun science games.

Episode 9 - A Kid's Guide to Mars/Jet 2

The kids join Celery and Carrot on a trip to Mars; and Jet builds a robot version of himself so that he can be in two places at once.

Episode 10 - More Than One Moon/Visit to Mom's Office

Mindy finds out there is more than one moon in the solar system; Sean and Sydney take Jet to meet Sean's mom at the Deep Space Array.

Episode 11 - Mission to Mars/Sound Abound

Jet and Sydney go away on a mission to Mars; Sean is surrounded by noise while trying to complete his science project.

Episode 12 - What's Up With Saturn's Rings?/Sunspot's Night Out

Episode 13 - The Grandest Canyon/A Visit to the Planetarium

Episode 14 - A Visit From Uncle Zucchini/Mindy's Weather Report

Episode 15 - Ice Moon Enceladus/What Goes Up...

Episode 16 - Solar System Bake-Off!/Kid-Kart Derby

Episode 17 - Asteroids, Meteors, and Meteorites/Mindy's Meteorite Stand

Episode 18 - Comet Fever/Asteroid Patrol

Episode 19 - Mindy Pet-sits/Treehouse Space Station

Episode 20 - Date Night/Face on the Fritz

Episode 21 - So Many Moons/Project Pluto

Episode 22 - Sunspot and the Great Red Spot/Uncle Zucchini Babysits

Episode 23 - Diggin' Earth/Mindy's Mistery

Episode 24 - Which Moon is Best?/Detective Mindy

Episode 25 - Tiny Blue Dot/Earth Camping

Episode 26 - What's a Satellite/Satellite Selfie

Episode 27 - Space Junk/Scientific Sean

The kids meet up with Uncle Zucchini and start to clean up their space neighborhood; Jet, Sydney, and Sean build paper airplanes.

Episode 28 - Beep and Boop's Game/Constellation Prize

The kids help get Boop over a ravine on Mars, and learn that satellites help scientists communicate with far away rovers; the kids learn about constellations.

Episode 29 - Sunday Drive

The Propulsions try out a new dashboard operating system, which only serves to confuse them as their test drive to Mars goes horribly wrong.

Episode 30 - Total Eclipse of the Sunspot/Sean's Year in Space

Sunspot acts strange when Mindy, Jet, Sean and Sydney use a solar panel to try to improve energy efficiency; Sean is excited about NASA's Year in Space program.

Episode 31 - Jet's First Halloween

Sydney, Sean and Mindy plan fun things for Jet's first Halloween, including carving jack-o'-lanterns, dressing up in costumes and going trick-or-treating; Carrot and Celery turn their garage into a haunted house.

Episode 32 - Whole Lotta Shakin/My Fair Jet

Sunspot and the kids attempt to build the tallest tower on the moon; Sean and Sydney want to take Jet to the DSA Open House.

Episode 33 - From Pluto With Love/A Star is Born

The kids make their own Valentine's; Sydney directs everyone in a backyard movie.

Episode 34 - The Mindysphere/Lone Star

Mindy explores her special zone with her friends; a dig uncovers a special item linked to the wild west past.

Episode 35 - Space Race/Jet's Time Machine

Celery competes against her brother, Uncle Zucchini, in a race; Jet tests his first experimental time machine.

Episode 36 - Sean's Neptune Tune/Earth Day Birthday

Jet proposes a song to calm Sean's nervousness about flying; the kids plan a surprise party for Jet.

Episode 37 - Castaway Carrot/Jet Can't Sleep

Celery, Jet and Sunspot accidentally leave Carrot on the moon. / A loud thunderstorm jolts everyone awake.

Episode 38 - Holidays in Boxwood Terrace

Episode 39 - Not a Sound/Mindy in Space

Episode 40 - A Hammer and a Feather/Commander Mom

Episode 41 - Episode 41

Episode 42 - Episode 42

Episode 43 - Episode 43

Episode 44 - Episode 44

Episode 45 - Episode 45

Episode 46 - Episode 46

Episode 47 - Episode 47

Episode 48 - Episode 48

Episode 49 - Episode 49

Episode 50 - Episode 50

Episode 51 - Episode 51

Episode 52 - Episode 52