At around 00:40:40 Shawn gives Henry a snow globe for Christmas. Corbin Bernsen owns one of the world's largest collections of snow globes, consisting of over 7,000 pieces.
The Christmas style remix of the theme song is the first time the theme song is modified to fit the episode. This happens many more times in various future episodes.
When Henry and Shawn get food from the fridge, Shawn pauses to grab a pineapple.
Shout out to "A Christmas Story" when Shawn gives Buzz the "Red Ryder BB Gun" and then Gus replies with "He's gonna shoot his eye out."
Shawn tells people on numerous occasions that Gus played Bud on The Cosby Show. Phylicia Rashad, who plays Gus's mother, starred as Claire Huxtable on The Cosby Show (1984).