Flint's Biggest Flup is the 52th episode and the last season 1 episode of Cloudy: the series.


Flint gives up inventing and moves to the countryside of the town when people misunderstood his invention.


  • This is the final episode of season 1.
  • This is the first time Missy Shelbourne (Mayor Shelbourne's Sister) appeared in the series.
  • This is the third time, the series show a young mayor Shelbourne. The others were "When I was your age" and "Mayornormal Activity".

Inventions in this episode

  • Flint Lockwood Packuum
  • Flint Lockwood Universal Plentifyer or "FLUP"
  • Flint Lockwood Cancuum Factory
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