1x2 - How We Found Your Sun/Treehouse Observatory

February 25, 2016

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

1x3 - Round and Round/The Plant From Bortron 7

February 22, 2016

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.

1x4 - Just the Right Distance from the Sun/Solar Power Rover

February 18, 2016

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

1x5 - How Come the Moon Has Craters?/Backyard Moon Base

March 7, 2016

1x6 - How Come the Moon Changes Shape?/Night of a Bazillion Stars

March 7, 2016

1x7 - Earth Mission to Moon/Mindy's Moon Bounce House

February 23, 2016

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

1x8 - Beep has the Blues/Chore Day

February 24, 2016

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.

1x9 - A Kid's Guide to Mars/Jet 2

February 15, 2016

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.

1x10 - More Than One Moon/Visit to Mom's Office

February 29, 2016

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.

1x11 - Mission to Mars/Sound Abound

March 1, 2016

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

1x12 - What's Up With Saturn's Rings?/Sunspot's Night Out

March 2, 2016

1x13 - The Grandest Canyon/A Visit to the Planetarium

March 3, 2016

1x14 - A Visit From Uncle Zucchini/Mindy's Weather Report

April 11, 2016

1x15 - Ice Moon Enceladus/What Goes Up...

March 21, 2016

1x16 - Solar System Bake-Off!/Kid-Kart Derby

April 12, 2016

1x17 - Asteroids, Meteors, and Meteorites/Mindy's Meteorite Stand

April 13, 2016

1x18 - Comet Fever/Asteroid Patrol

March 22, 2016

1x19 - Mindy Pet-sits/Treehouse Space Station

April 14, 2016

1x20 - Date Night/Face on the Fritz

August 15, 2016

1x21 - So Many Moons/Project Pluto

August 16, 2016

1x22 - Sunspot and the Great Red Spot/Uncle Zucchini Babysits

August 17, 2016

1x23 - Diggin' Earth/Mindy's Mistery

December 27, 2016

1x24 - Which Moon is Best?/Detective Mindy

August 18, 2016

1x25 - Tiny Blue Dot/Earth Camping

August 19, 2016

1x26 - What's a Satellite/Satellite Selfie

December 28, 2016

1x27 - Space Junk/Scientific Sean

December 29, 2016

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

1x28 - Beep and Boop's Game/Constellation Prize

June 5, 2017

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.

1x29 - Sunday Drive

December 26, 2016

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

1x30 - Total Eclipse of the Sunspot/Sean's Year in Space

August 15, 2017

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.

1x31 - Jet's First Halloween

October 24, 2016

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.

1x32 - Whole Lotta Shakin/My Fair Jet

June 6, 2017

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.

1x33 - From Pluto With Love/A Star is Born

February 5, 2018

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

1x34 - The Mindysphere/Lone Star

June 7, 2017

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

1x35 - Space Race/Jet's Time Machine

June 8, 2017

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

1x36 - Sean's Neptune Tune/Earth Day Birthday

August 17, 2017

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

1x37 - Castaway Carrot/Jet Can't Sleep

October 9, 2017

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

1x38 - Holidays in Boxwood Terrace

December 11, 2017

1x39 - Not a Sound/Mindy in Space

October 10, 2017

1x40 - A Hammer and a Feather/Commander Mom

February 6, 2018

1x41 - Episode 41

November 8, 2017

1x42 - Episode 42

November 10, 2017

1x43 - Episode 43

November 13, 2017

1x44 - Episode 44

November 15, 2017

1x45 - Episode 45

November 17, 2017

1x46 - Episode 46

November 20, 2017

1x47 - Episode 47

November 22, 2017

1x48 - Episode 48

November 24, 2017

1x49 - Episode 49

November 27, 2017

1x50 - Episode 50

November 29, 2017

1x51 - Episode 51

December 1, 2017