In one part in the episode, after the women go shopping, Bender says. "OMG! Being chics is so fun!" This obviously doesn't make sense, as Bender had been a female once before. It would make better sense if someone else said that.
Petunia said, "Shut up and play four episodes of The Office!", a 21st century TV Show on NBC. However, Futurama takes place at the very end of the 30th century, and Farnsworth said in When Aliens Attack that all past movies and TV shows are now extinct much like the disappearance of nearly all movies from the silent black-and-white era.
The men who were turned into women are 6. Leela, Amy, and LaBarbara only make up 3. All together, there's only 9, and there should be 12 photos if they make one photo for each month in a calendar.
When suggesting that Planet Express become an airline initially, Leela says that "...teleporters won't be invented for another ten years according to that guy from the future." However, in Lrrreconcilable Nndndifferences, Prof. Fahrnsworth is selling cheap teleporters as "disintegration rays" out of the back of comic books, and one is used to teleport both Fry and Grrl at various points in the episode.
Scruffy keeps his moustache when he is changed to a woman