Geo is meeting his friend Dylan so they can go meet the ice cream truck and get some ice cream treats, but when they get to the corner, they find out that the ice cream truck is missing! Geo meets up with Milli and Bot, and they set out to find the missing truck. Before the day is through, they locate the stranded truck, fix its flat tire and hop inside to make enough ice cream pizzas for Dylan and his friends. All that’s left is to play the ice cream song to let everyone know the ice cream truck is on the way!
Milli, Geo, and Bot can’t wait to meet their friend Ethan at “The Wild West Toy Train Show,” but before they hop in the Umi Car for their outing, the Umi Alarm sounds. A big gust of wind has blown Ethan’s ticket out of his hands all the way up to the top of Wild West Mountain! Poor Ethan can’t get into the Train Show without his ticket, so using their mighty math powers, the Team scales the mountain, rescues the ticket and returns it safely to Ethan.
Team Umizoomi is at their friend Sophia’s school to see her star in the “Butterfly Dance Show.” (And Milli has a supporting role!) But when the Umi Alarm sounds, they discover that Sophia’s butterfly costume isn’t finished! Milli, Geo and Bot navigate the halls of the school to the costume room and using their Mighty Math Powers, they work fast to put the finishing touches on the butterfly costume. But to get the costume ready in time, they’ll have to find a way to unlock Door Mouse’s supply closet door and find a missing butterfly wing before the “Butterfly Dance Show” begins
Kayla’s fun at the water playground comes to an abrupt end when the elephant water sprinkler stops working. To help Kayla, Team Umizoomi needs to know how water gets to Umi City. “How Does It Work” shows the process and now it’s up to the Team to figure out where the problem is and fix it fast. The tiny super heroes build a super submarine and zoom through the underground water system to help get the water sprinkler flowing again.
Milli, Geo and Bot reward themselves for cleaning up Umi Headquarters with a trip to the playground. But just as they’re getting ready to leave, they get a call on the Umi Alarm from their friend Mia. A storm has left the sandbox, swings, slide, and bouncy bridge in disarray and until everything gets fixed, the park will remain closed. The Umizoomi team tackles the task using mighty math powers and soon the playground is as good as new. The park ranger unlocks the gate and Milli, Geo and Bot join Mia and her friends for some hard-earned playtime.
Olivia is sleeping over at her Grandpa’s house, but she forgot to bring her favorite bedtime story “Goodnight Polka Dot Pirate.” Milli, Geo and Bot are on the case. They know a place where you can get any book you need - the Umi City Library! Umi Car zips them to the scene, where they find out how the library works and even get their very own library card. With a little tap dancing on the computer’s keyboard, they get the call number of the beloved book and traverse the vast array of bookcases and shelves to find it. Umi Car meets them at the check out desk, and the team gets the book to Olivia right before bedtime so Grandpa can read her to sleep with her favorite pirate adventure!
It's Christmas Eve and someone is calling in on the Umi Alarm from far away. It's Santa Claus! Santa's toy-making machine is broken and it’s not making any toys. The team must get to Santa’s Workshop and fast. Geo uses his handy Shape Belt to make a reindeer who happily flies them to the North Pole. With the clock ticking, Team Umizoomi goes bravely inside the humungous toy machine to see how it works and to get it up and running. With their mighty math powers, the Team solves the problem and gets the last three presents built and wrapped just before Santa and his reindeer have to leave. Christmas is saved! And Santa thanks the Team with a special invite - they get to accompany him on his sleigh to deliver his toys!
Milli, Geo and Bot are visiting their friend Jonathan at school when the TroubleMakers show up and swipe all the kids' lunchboxes! Team Umizoomi hops into UmiCar and the chase is on to get them back before lunchtime. The TroubleMakers have got quite an appetite, as they lead the Team in hot pursuit through booby-trapped avenues, down a winding river, and navigating through a giant grass maze. Can Team Umizoomi retrieve all eleven lunchboxes before the Troublemakers gobble them up?
Team Umizoomi is visiting Chef Mario's new restaurant, where everybody loves his special dish, spaghetti and meatballs. But the TroubleMakers arrive on the scene and stir up some trouble by taking the stop button from Chef Mario's prized meatball machine! Now the machine is going crazy and won't stop making meatballs! Meatballs by the millions tumble through the city and it's up to Milli, Geo and Bot to get that stop button back. The Team bounds over mountains of meatballs that are stopping traffic, filling up the school bus and even the swimming pool! It all leads to a dramatic showdown with the TroubleMakers at Umi Tower. Can the Team save Umi City from meatball madness?
It's a day at the races, and Team Umizoomi and UmiCar are competing in the Umi Grand Prix alongside their best friend, Shark Car! The race becomes a villainous all-star event when Team Umizoomi's past rivals turn out as fierce contenders. Dump Truck! Shape Bandit! Squiddy! The TroubleMakers! Can Team Umizoomi finish the race with Shape Bandit stealing bridges along the racecourse? Is the Team any match for Dump Truck's wet cement traps? Will the Team and Shark Car pull ahead of Squiddy and his seaweed launcher? And who knows what kind of mischief the TroubleMakers are brewing? It's a high-octane race to the finish in this action packed all-star special!