This is the first episode to be produced in High-Definition and in Widescreen format.
This is the second double-length episode. The first being Mission: Really Big Mission, production wise. But this episode aired before Mission: Really Big Mission so this is the first double-length episode, in airdate order.
This is the second episode to have the major villains teaming up.
This is the first Christmas, and holiday, special of .
T.U.F.F. Puppy The Chameleon is revealed to have a sister named Camille.
Bird Brain is revealed to be 23 years old.
This is the first time a character's age is revealed.
This episode marks the second appearance of Santa Claus. His first appearance was in Mission: Really Big Mission.
Jimmy Spencer is a former NASCAR racer.
The music that played while the T.U.F.F. agents were decorating their headquarters was also used in Christmas episode The Fairly OddParents .
Christmas Everyday! This is the second time The Chameleon wears something over the transformation suit.
The Snooze 'n' Cruise racecar bed (the one Dudley got) resembles the Ferrari F50 supercar from the '90s.
Characters saying they will explain things again.
Characters saying Bird Brain is old.
Bird Brain complaining he can't fly.
Snaptrap doesn't know what holiday things mean.
The Chameleon puts poison on food.
When Rudolph was first shown, his nose didn't appear red. When he was shown to be freed, his nose finally appeared red.
When Kitty tries to use the element of surprise, Blitzen was sitting in the chair, but he didn't appear to be tied up. In the next scene, he is tied up.
Agent Jumbo's name was misspelled in the end credits as Agent Dumbo.
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