Les Pantalons Fancie, translated as 'The Fancy Pants', is an upscale restaurant in Langley Falls.
Stan tries to take Francine out to dinner and finds he is treated as a nobody in "Meter Made". After becoming a meter maid, he returns and is treated as royalty.
Francine and Roger find out that Hercules is out on a date with Stan's mother Betty Smith in "Oedipal Panties" and rush to Les Pantalons Fancie to warn him that they believe she kills her dates. When they observe her following him in the direction of the rest room, Francine rushes in to save him just as he's being dragged into an air duct. Francine pulls Hercules back into the restroom and rushes out to confront Betty, however, she learns that Stan has been abducting all her dates and putting them on an uncharted island in order to be close to her.
Steve fakes firing Stan from Wheels and the Legman at the restaurant in "Wheels & the Legman and the Case of Grandpa's Key".