The images of Air Force One seen as the staff climbed onboard in the opening sequence were computer generated. A sly reference to this was made in the next scene where C.J. says she "cannot computer generate images of the first lady"
When Leo receives a note in his office while talking with Joey Lucas, he reads it and says "Holy hell." The sign that Joey's interpreter Kenny uses in the translation is a little bit different - he gives the ASL sign for "s**t."
The historic town of Middleburg, Virginia stands in for Manchester in Part 1 and Part 2.
The third season received 21 Emmy Award nominations for the 54th Primetime Emmy Awards, the most-nominated season, winning a total of 4 awards. The series won its third consecutive award for Outstanding Drama Series and Allison Janney also won her third consecutive award, this time in the Outstanding Lead Actress in a Drama Series category. John Spencer and Stockard Channing each won for Outstanding Supporting Actor in a Drama Series and Outstanding Supporting Actress in a Drama Series, respectively, after being nominated twice before. The season received several acting nominations, which included Martin Sheen for Outstanding Lead Actor in a Drama Series; Dulé Hill, Richard Schiff, and Bradley Whitford for Outstanding Supporting Actor in a Drama Series; Janel Moloney and Mary-Louise Parker for Outstanding Supporting Actress in a Drama Series; Mark Harmon, Tim Matheson, and Ron Silver for Outstanding Guest Actor in a Drama Series. Paris Barclay (for "The Indians in the Lobby") and Alex Graves (for "Posse Comitatus") were each nominated for Outstanding Directing for a Drama Series, and Aaron Sorkin was nominated for Outstanding Writing for a Drama Series (for "Posse Comitatus"). Also Thomas Del Ruth won an award from the American Society of Cinematographers for the episode "Bartlet for America".
Mifepristone, or RU-486, is a medication typically used in combination with misoprostol to bring about an abortion during pregnancy.