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"I don't think I've seen Fifty (episode) before!"Four
This page is about the episode. For the character(s), see Fifty (character).

Fifty is an episode in Season 6.


Superstar Fifty rocks out the Numberland stadium with her shining gold guitar.



  • Song: My Name Is Fifty
  • This is the debut of Thirty-Five and Forty-Five, as compound Numberblocks.
  • This is the debut of 30’s 5x6 form and 40’s 5x8 form.
  • 16, 21, and 22 are absent in this episode.
  • This episode has the shortest name out of all Season 6 episodes, with 5 letters.