Number 47: This is the 47th episode of the series.
Number 47: Russia's early warning system was activated at 4:47 Moscow time.
Number 47: When Jack is set up the bug to stop Marshal's program, you can see the percentage is "28.2474%".
Weiss: (to Sydney) There's got to be something that you had that you just loved that it kills you that you don't have it anymore.
Sloane: Mr. Vaughn. You know, I remember how close you were with Sydney. I'm sure you share my relief in having her back.
Sydney: (to Sloane) You've made your obligations clear, now let me clarify mine. I am obliged to extract immeasurable pain from you the moment you are no longer a valuable source of intel for the CIA. Personally, I hope you don't help us out...
When Jack goes into Dixon's office his badge moves from the right to the left.
Pierrino Mascarino's character name is mistakenly end credited as 'Science Ministry Official'.
Marshall: Not so you can listen to all the impossible boy bands they keeps churning out with…except for J.T.Timberlake... That guy can move.
Justin Randall Timberlake is an American Pop singer who was first a member of the band N*Sync and later went solo with Justified in 2002 making impressive sales and establishing himself as one of the most successful Pop singers of his time.
Sydney: I used to have a first edition Alice in Wonderland.
Alice's Adventures in Wonderland is a satirical children's book written by Lewis Carroll and published on July 4, 1865. In 1998 a first-edition copy of the book was sold at auction for $1.5 million dollars.
Sark: By the way, I like the name... Medusa. It's clever.
In Greek mythology, Medusa was the only mortal of the three Gorgon sisters. The gorgons were female monsters with hair of living serpents. They were so hideous that everyone who looked to their faces - including themselves - would turn to stone. Perseus managed to slay Medusa by using a mirrored shield with which he could see Medusa without being turned to stone.
Weiss: Sounds like the myth of my college girlfriend. She actually dumped me for a roadie at a Duran Duran concert.
Duran Duran is a pop music group formed originally by Nick Rhodes (keyboards) and John Taylor (bass guitar) in 1980s. Roger Taylor (drums), Andy Taylor (guitar), and Simon Le Bon (lead vocals) joined them later. The band continued producing albums, but their higher peak was in the 1980s. His most recognazable hits include "Is There Something I Should Know," "Union Of The Snake," "New Moon On Monday," "The Reflex" and "Wild Boys."
Lagravanese: I have an IQ of 170, Jack... I'm not David Copperfield.
David Copperfield is the notorious magician and illusionist well-known for making The Statue of Liberty disappear.
Marshall: Or uh, peanuts from Air Force One.
Air Force One is the airline call sign of any United States Air Force aircraft that transports the President of the United States.