Other mistake: When Lucas and Zoe are at the restaurant, Zoe steals the staff list from the kitchens. It is an established fact that a waitress named Stephanie works in the restaurant, however when the camera closes on the list, her name is not listed among the other staff members.
Francis Underwood: Linda Vasquez, Walker's chief of staff. I got her hired. She's a woman, check, a Latina, check, but more importantly, she's as tough as a two dollar steak. Check check check. When it comes to the White House, you don't just need the keys in your back pocket, you need the gatekeeper.
Douglas Stamper: I have an update regarding the journal.
Heather Dunbar: What is it?
Douglas Stamper: A message from the President. [Hands the phone to Frank.]
Frank Underwood: I have only one thing to say: go fuck yourself. [Turns to the camera.] Christ, that felt good.