The big box from Tundrabania is labeled "Fragile" in Russian. (IMDb doesn't like the Cyrillic letters.)
The body doubles for Liv and Maddie were not present; this is the only time where Maddie does not interact with Liv in-person.
Liv and Maddie's usual hairstyles were exchanged for the episode; while Maddie has her hair loose the entire time, Liv wears her hair in a ponytail for the entire episode.
The sparkly onion raised during the midnight countdown is similar to the drop of the Times Square ball.
It was revealed the robot in Liv's "FroyoYOLO" video was played by Diggie; Liv kissed him while he was wearing the mask when the producers made it okay for her.