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.