- The "ninja warriors" are bowling pins with ninja faces.
- The zoo renamed Monday "Fun Day" because hardly anyone visits. They erected a giant sign with balloons for it.
- Marlene knows how to play chess.
- The penguins credo is "never swim alone". This credo was first mentioned in The Madagascar Penguins in A Christmas Caper, which comes with certain editions of the Madagascar movie DVD.
- The zoo shop now has cups with King Julien's head on them with a crazy-straw.
- Skipper use the Corkscrew movement to beat The Rat King.
- Kowalski calls The Rat King a "mutated rodent warlord"
- This is the first appearance of the sewer rats, the Rat King and the rattlesnake.
- King Julien has a spare crown.
- Absentees: The chimpanzees (Phil and Mason) and Alice.
- Running Gag: Skipper, Kowalski, Private and Rico tried to get King Julien's crown back from Rat King/Sewer Rats.
Antagonist(s): Rat King/Sewer Rats.
Foul Ups, Bloops, and BlundersEdit
In the beginning, there are nine ninja warriors. When it zooms in however, there are five on each side, for a total of ten.
On the third scene Maurice goes to the penguin's base the outside doesn't have a hole and the feeding dish too.
Behind the ScenesEdit
- Working Title: "Fun Day"
- It is included on Penguins of Madagascar: Happy King Julien Day (DVD Release)