This is the first episode Chloe is able to control her meteor powers.
This is the first time that the Kryptonian language is spoken on Smallville.
Lois tells Grant that when it comes to her next boyfriend, "we sure as hell aren't gonna work together." Traditionally, Lois Lane and Clark Kent are lovers and coworkers at the Daily Planet.
In this episode, Lex buys the Planet, much like in the comics. He is also the owner of the Daily Planet in the "Noir" universe.
This is Smallville's second Christmas episode. The first one was "Lexmas", also the ninth episode of a season and a mid-season finale.