The casting of Kevin Mitnick as the hacker is an in-joke since he was one of the world's most famous hackers, having been jailed for three years. The conditions of his participation: he could not use a computer, his parole officer had to be notified, and the computer, monitor, and keyboard he used were not to be connected.
This episode was nominated for the 2002 Golden Reel Award for "Best Sound Editing in Television - Dialogue & ADR, Episodic".
Title sequence doesn't appear until 11:50 into the program.
At the Halloween party, Sydney was dressed as Alice, the fictional character in the books "Alice's Adventures in Wonderland" (which is given to Sydney by her mother) and its sequel "Through the Looking-Glass", both by Lewis Carroll (née Charles Dodgson). Also, Vaughn's girlfriend is Alice.