At some point, the three pigs were doing the Macarena.
Sidetable is the only other main character to appear aside from Joe and Blue.
Sidetable and Key appears in the credits.
Joe wears a purple squared shirt in this episode.
At one point, Joe is singing in front of a trolley heading to The Fairy Tale Ball. When he was singing, there was a pan shot of the fairy tale characters as he continues. When it concludes, he is at the back of the trolley.
Humpty Dumpty is not a fairy tale, it is a nursery rhyme.
It is unknown how Blue's special room got into the fairy tale ball if she didn't skidoo with it.