A group of musically gifted and ethnically diverse children travel around the world in an artificially intelligent rocket named Rocket.
When one of Saturn's rings falls into June's backyard the team goes on a mission through outer space to get the ring back to its planet. On their way, the team encounters comets, meteors and even strange space creatures called Meeps!
As Leo uses his baton to conduct a beautiful sunrise, a bald eagle mistakes Leo's baton for a stick and flies away with it! When Leo retieves his baton he conducts the team and all the animals they've met on their journey to a glorious "Morning" reprise.
Rocket is going to be in the Great Sky Race! He'll be competing against all kinds of aircraft, including the Big Jet. The kids are sure Rocket will win, but as he prepares, Rocket gets the hiccups. The team has to surprise Rocket's hiccups away.
Rocket makes friends with a little humpback whale. When the little whale has to go home with his family, Rocket is sad. The team makes it their mission to reunite Rocket with his new friend.
In order to find a lost pirate treasure, the children must decipher several musical clues, until Big Jet finds out about it, though will they manage to figure them out in time before Big Jet steals the Treasure?
It's Annie's birthday and all her friends have given her balloons they're her favorite! She's so excited, but a big gust of wind blows them away. Not to worry - her big brother, Leo is determined to get them back.
Quincy finds a harp that plays a song that can open up anything! The harp has a picture of a golden pyramid on it. The team makes it their mission to find out who lives inside the golden pyramid. It's off to Egypt!
A Dragon Kite flies into June's backyard with an urgent message - the Great Kite Parade at the Great Wall of China is today, but all the Big kites are missing!
The team helps a train to reclaim a party bag in the Wild West. Rocket has a face-off with Big Jet.
The children head to a farm where Annie’s friends, the Three Little Pigs, find some mysterious seeds. The children head off to find a rain cloud and the sun in order to make the garden grow, but what will grow out of the mystery seeds?
It's Halloween and the children are in Europe to celebrate the holiday, as they plan to do some trick-or-treating at some European castles until some ghosts planned to steal their Halloween treats. Will the gang protect their treats from the ghosts?
When musical bubbles whisk Leo, June, and Quincy across the Atlantic Ocean, it's up to Annie to save them! Annie embarks on her first ever solo mission.
The team is camping when they meet a tiny mouse who has a present for the moon. The team makes it their mission to help the mouse get to the moon.
When the children discover that a good knight has been trapped inside of a castle by a bad knight, they decide to rescue him, though they need to find an enchanted key before they’ll be able to do that. Unfortunately, the castle is guarded by all types of traps and the children will need to use their wits if they wish to foil the bad knight’s plan.
When Santa Claus brings the children some special wish boxes, they find out that Annie’s gift fell off the sleigh and it didn’t arrive with the other gifts. The children decide to go on a mission that will take them around the world in order to find Annie’s present, though they may be able to use their wish boxes to help make their endeavor easier.
The children think back about how they became Little Einsteins, in how they met rocket and what their first mission was like. How was their very first Mission like?
The kids travel to Australia to the Sydney Opera House for the Animal Talent Show, The kids find a Joey (A baby Kangaroo) who found out that the Joey forgot about the Animal Talent show. Will the Kids and the Joey get to the Sydney Opera House in time for the Animal Talent Show?
While flying on Rocket the gang travels toward Lapland a frozen place near the Arctic and finds a Baby Reindeer wandering into a winter forest but there's a problem...Quincy is afraid of the dark, Can Annie, Leo and June help Quincy conquer his fear and rescue the Baby Reindeer?
The gang travels to the Netherlands so that Quincy can plant his tulip, until Big Jet uses his new machine: A season machine to interfere with the kids Springtime. Will the kids stop Big Jet from ruining Springtime?
The kids traveled towards Alaska to the Totem Pole Forest to meet a Little Totem Pole on an amazing adventure, Where it tells the stories of the kids. Will the Little Totem Pole ever be a Big Totem Pole?
The gang finds a Big-and-small machine in the Rocket room but when it goes out of control it shrinks Rocket and the kids. Now the Kids and Rocket must travel Inside a Cuckoo clock, Inside an Anthill and through a garden in order to retrieve the missing piece of the Big-and-small machine. Will the Kids ever turn back into their normal sizes?
A baby duckling mistakes June as it's mother after playing Follow-the-leader and then travels with the kids back to it's home in the Great Lakes. Will the team return Ducky back to it's home?
The kids go on a Rocket Safari in Africa. But trying to make a pathway for the wildebeest, Rocket gets stuck while blocking the water. So the team try to get the biggest animals in Africa to free Rocket from the cold water with some help from Bumblebee.
The gang heads toward the Big Woods in Arkansas and meet an Ivory-billed Woodpecker named Tapper and finds out that it looking for a friend and the gang decides to take it to the top of the Ozark Mountains. Will Tapper ever find a friend?
The gang has a sleepover in the Rocket Room until they discover that Rocket can't sleep, so Rocket and the gang decides to travel to outer space to count the planets. Will Rocket ever go to sleep?
The kids are cleaning the Rocket Room when they find instructions on how to make a machine to make today everybody's birthday! The team will go out to find the pieces to make this machine and celebrate their birthdays today!
The team meets a small caterpillar and discover that they need he needs to get to the Tree of Many Colors so that he can get his brand new outfit! He warns the team that he doesn't have a lot of time left to get there! The team is going to try and get him to the Tree of Many Colors so he can get his new outfit, but will they be able to get him there in time?
When everybody but Butterfly gets an invitation to the family migration party, the team knows something is wrong. They discover that Butterfly's invitation could've gotten lost! The team will go to several places and explore many different areas but will they still be able to find Butterfly's missing invitation?
