SpongeBob SquarePants

Mechanical Bio-arm

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Mechanical Bio-arm
078b - Best Frenemies 272
Producer: Sheldon J. Plankton
Owner: Sheldon J. Plankton
Type: Invention
Appearance: "Best Frenemies"
List of objects

The Mechanical Bio-arm is an invention created by Plankton in the episode "Best Frenemies."


The Mechanical Bio-arm resembles an arm but being made of metal. It also has fingers and a red button on it to activate it.

Role in episode

Plankton attempted to use the bio-arm in a way to help get the secret formula from the Kelpshake restaurant. However, the bio-arm ends up malfunctioning causing an upset Plankton to press the red button repeatedly. However, this ends up causing the bio-arm to slap Plankton a bunch of times.

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