Mouse trap is the eighteenth episode in the first season of Lucky Fred.
Brains must train a new recruit, Mr. Boots, a mouse.
- First appearance of Mr. Boots and the Elephantoid.
- This is the first time that Roberta made an appearance without Robert.
- After the title was shown, John G. Smith's middle initial is revealed as G. for "Gladstone."
- During Mr. Boots's training, one of the dummies resembled Egghead but with a darker skin.
- When Fred went to his room, his computer is seen turned on though not seen being used and still displays the same webpage from the previous episode.
- When Sara looked herself in the mirror, her reflection's left arm moved even though she didn't moved her left arm.
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