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Square Beard, Team Umizoomi's pirate pal, gives them the map to the lost treasure of Umi City. Now the team goes on a pirate adventure to find the keys and open the treasure. Will they find the treasure?


Intro: Umi-Pirates

The Team start to act as pirates with their pirate hats on. Bot uses his shovel to dig for mysterious treasure. Milli took a swing as Geo meets Square Beard.

Map of the Lost Treasure of Umi City

Square Beard guides the trio of pirates to find their way to Umi City, in which a place is accessed by finding the three keys.


Inside the library, they have to proceed through by counting forwards and backwards a certain number of spaces, similar to a board game. Geo discovers the red key on the ceiling lantern. Milli uses Pattern Power to verify if the three fairy tale story steps are safe to climb. If the pattern is not in sequence, the ladder breaks at least one step.

Bank Numbers

Geo discovers that the green key is located inside a bank's vault. But then the vault door magically closes. Bot tries to open it, but it's locked. One half of a number is displayed as Bot has to find the other half of the number for four times to unlock the safe combination and retrieve the key.


When the team entered the tunnel, a coconut truck drives out of control and coconuts spilled and blocked the exit. After the cannon is built with a semicircle and a trapezoid in UmiCar, Geo can unblock the tunnel by firing the cannon with a certain number of times.

Climbing under the Moon

Into the Bell Tower, Milli has to find out the correct bell which rang the certain number of times to find which tower has the blue key. Geo uses a Shape Magnet to climb up to the next level as long as there are crescents on the picture windows.

Conclusion: Unlock of the Evening

After all three keys are found, they have to find the treasure of Umi City, which is located in the beach. Bot discovers the treasure chest is underneath the sand. The mystery is actually called number fireworks, which completed the mission.




  • This is the third appearance of Geo's Shape Magnet. This time he magnetizes a crescent.
  • The bell tower in Umi City is actually a church which is where people go on the Sabbath for sacrament meeting. This church is not really The Church of Jesus Christ of Latter-Day Saints.
  • Square Beard made his second appearance, his first being Journey to Numberland.
  • This episode was released in "Nickelodeon Favorites: Once Upon a Rhyme" along with a few other episodes from other Nick Jr. series.
  • This episode has been considered the episode for the fourth of July, America's Independence Day, since there's special fireworks in this episode called Number Fireworks.
  • When the hundred Number Firework appears, Milli asks the viewer what the number is.



Math Skills

  • Observation Skills
  • Patterns
  • Picture Identification
  • Number Identification
  • Symmetry
  • Shape Identification
  • Counting
  • Color Identification
  • Directions

Special Skill

  • Reading maps
  • Combinations

World Skills

  • Pirate Language
  • The Bank 


  • Bot: "There be a celebration coming on."