Jason Alexander considers the scene, where George reacts indifferently to having had sex on his desk with Evie (Bridget Sienna), the cleaning lady, to be the defining moment for his character.
This is the only episode in the series where Jerry (Jerry Seinfeld) talks to someone during his act (in this case, Dick, played by David Naughton).
In the credits "Mr. Lippman" is listed as "Mr. Breckman." Richard Fancy, who plays Mr. Breckman in this episode, goes on to play the recurring character of Mr. Lippman.
The expression "on the wagon" came about at the turn of the century when horse drawn wagons carried water used to clean the streets. "Jumping on the wagon," during prohibition, meant that one drank water rather than alcohol.
There wasn't really a red dot on the sweater. It was a small red thread (positioned on the bottom left side of the sweater.)