Milli, Geo and Bot must help their friend Anna find her missing lunchbox and thermos before they head out for a picnic.

When Andy's plane is not able to take off, the team heads to the airport to help.

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.

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!

When the farmer gets sick, the team must help fill Umi City's milk order.

When a thunderstorm frightens the dinosaurs, the team must find them and return them to the museum before the dinosaur show.

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!

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.

The trio look for their friend's lost shell collection by retracing her steps on an elevator, in a laundry room and through a frog pond. Milli is visiting her friend Emily’s class for Favorite Things Day, the day everyone brings in their favorite things to show the whole class. Emily can’t wait to show the three sparkly shells she found at Sparkle Beach, but when she opens her treasure box, they’re gone! She must have dropped the shells on her way to school! Milli, Geo and Bot rush back to Emily’s apartment building to retrace her steps. Elevator escapades, laundry room adventures, and leaping lily pads over Frog Pond are all in a day’s work for our mighty heroes as they try to find Emily’s sparkle shells in time for the show.

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

The team is called in to help fix a crack in the seahorse tank at the Umi City Aquarium.

The team must search the Umi City Carnival for Jake's lost stuffed animal.

The team must help when Daniel's father is trapped on a broken subway train.

The team must find all the parts of Nick's lion toy before Umi City Park's rolling toy parade.

When Anthony forgets to put a stamp on a package for his grandmother, the team heads to the post office to make sure the package is delivered during "Just-Because-I-Love-You Day."

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The team must go to the supermarket to collect the items for Tyler's favorite snack.

When a gust of wind scatters the pieces of Jeannie's kite, the team must search for the pieces to put her kite back together.

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.

The team helps Sonya fix her sailboat in time for the boat race.