"We have to get the Thirty's Big Top to stop!" — Ones This page is protected from being moved, though users can still edit it unless it is protected.
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Thirty's Big Top is the 23rd episode of the fourth series of Numberblocks. It is the 83rd episode overall.
The episode starts off with One and Two dancing, Three juggling, Four turning himself round, Five playing her guitar alongside Ten and Twenty, who are leaping and dancing. One and Two wonder what would happen if they were bigger. Three says she doesn't want to be bigger. Twenty says there's someone she should meet. Ten says she's one ten and Twenty splits into two tens. And the three tens make.....Thirty! She invites everyone to her circus, which is her hat. Everyone runs inside and Thirty shows of her three ten balls, which turn into thirty smaller balls. Then she splits in to ten threes. Thirty says her next act will need another ten. And four tens make.....Forty! Forty explains to Four that he is a rectangle and shows him his rectangle collection. Then he splits into ten fours. Then the ten fours rose the roof. Forty says goodbye to Four and gets another ten. And five tens are......Fifty! She has ten hands fly out to high five the Numberblocks. Then she splits into ten fives, which blow the roof off. The episode ends with Thirty saying all the acts were a showstopper.
This episode is the debut of Numberblocks Thirty, Forty, and Fifty.
When Four meets Forty, the dialogue is similar to the dialogue in Flatland when Four meets a rectangle.
This episode is stealthily referenced in Circus of Threes, where one of the verses of the song is "So please raise the roof, and give a big hand, to the greatest show in Numberland!"
