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Fess Up or Mess Up (UK)

Fess Up or Mess Up (UK)

Fess Up or Mess Up is the third episode of the twenty-first season. It was written by Grant Moran.

Plot

After Leo builds a little robotic vehicle to enter in a robo-racing competition, Muck secretly takes 'Whizzer' with him on a build, despite being told not to. When Whizzer goes haywire because it still contains bugs, Muck does his best to solve the problem by himself.

Characters