Clark's parents' email address is CNH320@instamail.org. CNH 320 was the license plate on the General Lee on "The Dukes of Hazzard".
First mention of Lois Lane, who would play a very significant role in the later part of this series.
When Lex goes down to the Tech Department to get some info from the tech guys, there is a movie poster in the background for Midnight in the Garden of Good and Evil (1997), which featured 'Michael Rosenbaum'.
Evangeline Lilly appears as an extra in school hallway when Lana and Adam are talking school spirit.
Chloe says about her cousin, Lois Lane, that she is not interested in journalism at all, while Lois is to be a reporter for Daily Planet in future.