On what day of what month did the episode of "SpongeBob SquarePants" first air in which there first appeared the character voiced by an actor who also played Michael "Dauber" Dybinski on the sitcom "Coach"?
Bill Fagerbakke: William Mark "Bill" Fagerbakke ( ) is an American actor and voice actor. Bill Fagerbakke:  He is best known for his long-running roles as Patrick Star in the animated series "SpongeBob SquarePants" and Michael "Dauber" Dybinski on the sitcom "Coach". Patrick Star: Patrick Star is a fictional character in the American animated television series "SpongeBob SquarePants". Patrick Star:  Created and designed by marine biologist and cartoonist Stephen Hillenburg, the series creator, Patrick first appeared on television in the show's pilot episode "Help Wanted" on May 1, 1999.
May 1