Well, Sandy first met SpongeBob in the episode "Tea at the Treedome". She was Wrestling a giant clam, and thinking she was in trouble, SpongeBob went to rescue her, instead ending up inside the clam himself. Sandy's reaction to that seemed to be one of shock and surprise. She then yelled out "Hold on little square dude!", and proceeded to rescue the 'rescuer'. After that, they became very fast friends, Sandy going so far as to say "I like you SpongeBob" and they could be "tighter than bark on a tree'', as they talked with each other for the first time.
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Sandy meets Spongebob in Tea At The Treedome.
Here she meets him and invites him to her air filled dome and we see Spongebob gasping for air, and from then on enters her house with a helmet of water on first.
just Spongebob
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Actually she calls him Little Squared Dude. ~PokemonJ10
The first episode was when Spongebob was introduced to Bikin Bottom by his parents and on the way, he met a star fish that was stuck on the floor. He helped the starfish and was then friends with Patrick. He then was walking with Patrick when they saw a rocket flying downwards. It crashed and then they met Sandy, Squidward and Mr Krabs.
The first episode of Spongebob was called Help Wanted where he gets his job at the Krusty Krab.
There were three shorts for the first episode called "Help Wanted" (where Spongebob is first hired at the Krusty Krab), "Reef Blower" (where Spongebob and Squidward try to clean their lawns), and "Tea at the Treedome" (where Spongbob first meets Sandy).
She was in the very first episode.
About a sponge named spongebob who got his job at the krusty krab, and he has a bff named patrick star, and a mean, grouchy neighbor named squidward. The boss for the krusty krab is mr eugene h krabs. I think that was what the 1st episode was about