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This item is mainly used by SpongeBob when he makes Krabby Patties. Ketchup varies in different shapes and sizes as seen in "Krusty Krab Training Video" and "Little Yellow Book," where it's shown that the Krusty Krab carries ketchup packets. SpongeBob also uses ketchup in his sundae in the episode "Something Smells" where he actually squirted the entire bottle on it. The ketchup bottle is also unusually big in that episode as well. Ketchup is also seen twice in the much later episode "Eek! An Urchin" where SpongeBob spills some on the floor and a customer pours some on the sea urchin.