Under pressure from Rory, both Lorelai and Jess make an effort to be polite to each other. It is the only time these two characters are ever shown having a civil conversation, which is a shame, because they have a lot in common. They get each other’s references, they both love Luke but love to rag on him, and they are capable of making allowances for each other’s quirks. This scene is a real “what might have been” moment.
The Annotated Gilmore Girls 