Characters
I see salt and I see pepper, but I don't see a salt substitute.
— Bob Wiley

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
Bob Wiley scans the table and notes the salt and pepper are present, but no salt substitute in sight. It's a small, fussy complaint stated as a plain observation, and the comedy comes from how carefully a trivial gap in the table setting is noticed.
Context reviewed