Ready Jet Go! Episode Rating Graph

"Astronaut Ellen Ochoa": 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. They end up hanging out with her before her DSA meeting. They solve an engineering problem together, which inspires Ellen to use the same solution with the engineering project at the DSA.

"Moon Face": Mindy thinks there's a face on the moon. The kids investigate to see what causes the 'face' on the moon. "Lone Star 2 - Rocket Kids!": In this sequel to season 1's "Lone Star", the kids design a foot rocket while Sydney tells them about how Lone Star engineered and built the first rockets.

"Mindy's Bedtime": Mindy has to go to bed when the Sun goes down, but she's having such a fun day with her friends. She asks Jet and the others to help her keep the Sun from going down. The older kids humor Mindy and try to help "slow down the Sun." All their efforts make Mindy so sleepy that she decides to go home and sleep. "Galileo, Galileo!": Sydney and Jet are having a hard time explaining to Mindy that the Sun doesn't move - the Earth is moving around the Sun, so the Sun seems to move. Then Sean comes over dressed as his science hero Galileo, getting ready to do a school report. Mindy asks "Galileo" to explain why the Sun seems to move, and Sean practices for his report by explaining how the planets move, in character as Galileo!

Mindy has finally turned five and is super excited that she is now old enough to go to space. But she's planned a tea party in the backyard. The kids convince Mindy to move her tea party to the Moon! In her first trip to space ever, Mindy gets to board the Propulsion family saucer and experience space travel, rounding out their Moon tea party with a quick trip out to Pluto and back.

"Ain't No Mars Mountain High Enough": Sunspot wants to join an elite society called the Space Summit Society, so he needs to climb Mt. Sharp, on Mars. The other kids accompany him on his quest to climb Mt. Sharp. At first, he rejects help from them, but he eventually learns the value of working together. "Treasure Map": Sean, Sydney, and Mindy are all going away, leaving Jet with Mitchell. Mitchell, inspired by Treasure Island, wants to dig for buried treasure in his backyard. Wanting to do something nice for Mitchell, Jet makes a treasure chest for Mitchell to find, and also makes a map, unbeknownst to Mitchell.

"Freebird": Some snow geese start to invade Jet's backyard. Jet and the gang are confused at first, but eventually learn that they are using the backyard as a stopping place while they migrate. "Sean's Robotic Arm": Mindy the mary-sue knocks Sean's prized Neil Armstrong action figure out of his hands and it ends up falling into a narrow Crevasse. Sean is very sad because of this. Luckily, Jet, Sydney, Mindy, Mitchell, Sunspot, and Cody all help him out by constructing a robotic arm made out of various items that will get Neil out of the hole. Also, in this episode, Mindy hugs Mitchell.

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.

"Endless Summer": Jet is amazed to find out that the entire Earth doesn't have the same season at the same time. So he flies with Sydney and Sean from the northern hemisphere to the southern hemisphere to compare and experience holidays in winter and summer...all in one day! "Jet Shrinks the Kids": Mindy feels bad that she's the smallest kid in the group, so sympathetic Jet and friends use a shrink-ray and become her size. The plan goes awry, and Jet, Sean, Sydney, and Sunspot become the size of mice. Mindy has to follow intricate diagrams to reverse the shrink-ray!

"Souped-Up Saucer": Celery has souped-up the family saucer, adding new features for the kids to use, including a robot arm. They test drive it with a trip to the Moon. "Pet Sounds": Jet takes care of Mitchell's dog Cody for the weekend, and attempts to teach him some new tricks.

"You Can Call Me Albedo": 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. Meanwhile, Mitchell's dog Cody seems to have run away because he doesn't like the black sweater Mitchell put on him. The kids learn about how, just like asteroids, some things are easier to see in the dark than others, like a white card is easier to see than Cody's black sweater. This amount of brightness is called 'albedo'. "The Tide is High": The kids go to their local beach to surf, but notice that the beach looks completely different from the last time they stood there. There's way more sand, and the ocean is far away! They decide to be detectives and study what has happened, and learn that the larger and smaller beach is caused by the tides - the rising and falling of the ocean.

Jet is impatient and uses Bortronian technology to grow a pumpkin. However, the pumpkin becomes enormous and is too big to carry to the local Pumpkin Contest. Jet and his friends need to figure out a way to get it to the contest in time. At the same time, Mindy is going trick-or-treating with her two BFFs: Lillian and Mitchell. Mindy and Lillian think that Halloween is magical. Mitchell, on the other hand, has different opinions. Mindy tries to convince him that it is.

"Potatoes on Mars": Jet is fascinated by the Earthie potatoes that the kids have grown in the backyard garden. Now he wants to try to grow potatoes on Mars! They take several plants to Mars and try, but learn that potatoes need the right air, temperature, water, and even the right soil. "Bortron Leprechaun": Jet is fascinated by his first Earthie rainbow. He wants to know all about them! Sydney tells Jet about the mythical Leprechauns that keep a pot of gold at the end of the rainbow, and even though they explain that it's only a story, Jet insists on following the rainbow to its end and meeting a magical leprechaun.