This episode takes place on December 24, 2005 while Lex's dream takes place on December 24, 2012.
Alisen Down (Lillian Luthor) is 4 years younger than Michael Rosenbaum (Lex Luthor) her on screen son.
The owners of the farm in Langley, BC, Canada, where the Kent Farm outdoor scenes are filmed, make a cameo during the Kents' holiday party.
This is Smallville's first Christmas episode.
In Lex's vision of the future, Clark is a reporter at the Daily Planet but doesn't wear glasses. This is the first time Clark has been portrayed as a professional reporter.