The Field Guide is a book that only appeared in the episode "Tea at the Treedome." It is known to contain information and an image of a "Land Squirrel."


The Field Guide appears to be a blue book with a picture of a black anchor on it. The words "Field Guide" are written at the top in bluish-white text.

Role in the episode

While jellyfishing one day, SpongeBob comes across a strange creature at the bottom of a cliff. The creature is wrestling a Giant Clam. SpongeBob consults the guide to find out that the creature is a "Land Squirrel."

Plan Z
"This plan Z can't possibly fail!"
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