SpongeBob SquarePants

Anchor Arms

on ESB
Anchor Arms
Donald the Shark wearing the Anchor Arms
Type: Product
First appearance: "MuscleBob BuffPants"
Latest appearance: Battle for Bikini Bottom
List of objects

Anchor Arms are a pair of inflatable, muscular arm-shaped balloons that SpongeBob uses on his arms in the episode "MuscleBob BuffPants."


The settings are as follows:

  • Strong
  • Veiny
  • Hairy (for the ladies)

The levels of air pressure are as follows:

  • Normal (Green Zone)
  • Strong (Yellow Zone)
  • Super (Orange Zone)
  • Jerk (Red Zone—Never inflate to this level as it will cause over-inflation. SpongeBob blows them to this level as he's struggling against the anchor lifting, causing them to explode)
Shower In A Can!
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Role in the series

MuscleBob BuffPants

SpongeBob notices that he is weak compared to Sandy and she offers to give him exercise training. After failing at it, SpongeBob goes home with painful arms. He lies in his arm, when a commercial on TV starts. Donald the Shark tells the audience why to buy the product. SpongeBob is then convinced and buys some. He goes to Goo Lagoon to show off his fake muscles. He convinces everyone, including Sandy. Thinking that he is really strong, she signs them up for an Anchor Toss competition. When it is SpongeBob's turn to go, the Anchor Arms start to broke down due to SpongeBob overinflated them while straining to lift the anchor. Eventually, they explode and deflate, revealing that the muscles are just fake.

Battle for Bikini Bottom

A variant of the anchor arms is used to repair SpongeBot SteelPants, after the real SpongeBob temporarily destroys him.


  • It is a reference to part of an anchor called the "arm," which is the part that curves out from the bottom end of the main part and ends in the pointed part.
  • In the scene where the Anchor Arms explodes, it is then deflating in a similar manner as a rubber balloon - floating randomly as the air goes out and making a characteristic squeaking noise.
  • It is shown that SpongeBob appears to hide his real arms inside his body while using the Anchor Arms, as seen after the Arms blow up, he pops his arms out as Sandy looks at him.

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