When Jessie tells Mr. Belding she'll be going by "Mrs. Slater-Spano," he goes:
"Saved by the Bell" The Fight (TV Episode 1992) - IMDb
M: Jessie says she won't celebrate President's Day until there is a woman president. And then she calls Slater a chauvinist. Ah, yes.
T: For some context, this was the episode where Mr. Belding's cool yet unreliable brother Rod shows up and promises to take the class on a trip white water ...