where the heck do i find it?

To get the pearl you go back to prehistoric bikini bottom,go left at the seahorse and keep
going until you find a lump of sand,get it.Go back to the seahorse,go forward then right
and right again until you find spongegars,patars and squogs houses.Keep going right until
you find a clam,feed him the sand.
Then go to Jellyfish Fields,go left and you will find a giant clam,click on him and he
will spit out a pearl.

Goto tentacle Acres Find squidward and he'll ask for cocoa with whipped cream and then
bargain mart automattically unlocks so you can get some whipped cream : )
P.S If you dont know where tentacle acres is go to sandyt's back yard, Look though the
telescope and then you see tentacle acres. Go there and the guy will give you a ticket to
the movies to get lost. Go into theater's toilet's and write the number you see on the
toilet seat with your piece of paper and pencil combined from Mrs. Puff ( see instuctions
i wrote on how to get that later ) and then go to boating school and call the number.
TADDAH

You give the pearl to the guy in the convention store ( NOT the pickle )