What fictional character featured in "SpongeBob SquarePants" first appeared in the episode "Tea at the Treedome"?
Carolyn Lawrence: Carolyn Jean Lawrence (born May 21, 1964) is an American actress and voice actress who is known for her long-running-role as Sandy Cheeks on "SpongeBob SquarePants". Sandy Cheeks:  She is voiced by Carolyn Lawrence and first appeared in the episode "Tea at the Treedome" on May 1, 1999.
Sandy Cheeks