The first villain to ride in it was Luna Girl in "Heroes of the Sky" and the second was Night Ninja in "Aerodylan."
Romeo does a non-evil laugh for the first time (not counting his giggle when he was his infant version in "Big Sister Motsuki").
Romeo is the fourth villain to have a birthday party.
The first villain was Night Ninja in "Catboy and the Great Birthday Cake Rescue," the second one was Sorceline in "Les Pyjamasques et le cadeau de Sorceline," and the third one was Luna Girl in "Moon Rocked."
This is the third time Owlette uses her Super Feather Shield.