Tie! It was either:
Screech: Darn, I forgot my Uncle Fester wallet!
Mr. Belding: Mrs. B. just loves your commercial. "The sauce you can-a have, but the secret, she's a-mine!" HA-ha!
Theory: Any time Mrs. B. is mentioned, it is comedic gold.
Most Implausible Moment of the Day:
When the lawyer from Betsy Crocker's cookbook serves Screech a cease and desist letter in THE FRONT HALL OF BAYSIDE HIGH SCHOOL.
What, Screech doesn't have a home mailing address?