Underneath his trenchcoat disguise, Arthur has tusks, which he shouldn't have.
Rataxes still has the trampoline from Andre's performance from "No Place Like Home" in his throne room
It is mentioned that Celeste is allergic to carnations.
Rataxes' memoirs speak of Kindergarten, school, and birthday parties (as anyone who's seen the first few episodes will know, such things did not exist in the jungle during Rataxes' youth).
The Celesteville cup misspells Celesteville as "Celestville".
When the poster of Babar is first seen, the picture's mouth is closed. when the fork is jabbed into it, the mouth is open. And when the police officer unfurls the poster, the mouth is closed again.
The Jungle Journal headline reads "King Babar to woo Tuttle on anti-pollution vote", but Rataxes reads it as "King Babar to woo Tuttle FOR anti-pollution vote".
Judging by the label on the jar of peanut butter, this episode's flashback takes place in the year 1930.
First appearance (outside of the opening sequence) of the adult Zephir and Arthur.
When Young Celeste says "Hi" to the children on the swing, he voice sounds more like her adult self.
Mademoiselle Soretoza's full name is "Mademoiselle Rosa Anastasia Soretoza".
Goof: Babar says that the Juju plant is the antidote for a speckled snake bite, but the snake that bit Madame was striped.