- Hans still has his freeze ray from Smotherly Love.
- The cage Kowalski, Rico and Private are locked up in is similar to the cage in All Tied Up With a Boa.
- The Sewer Rats, Savio and Officer X are mentioned.
- Roger makes an appearance in the episode.
- Barry the poison dart frog is seen but has no lines.
- Eggy and his siblings make a cameo in the episode.
- Marlene is briefly seen.
- There is a reference to Dr. Blowhole's Revenge in this episode.
- Antagonist(s):Hans, Skipper until the climax .
- There is a small flaw in the episode. When the enemy detection program got downloaded into Skipper the sensor was placed upside-down by Kowalski, thus, Skipper thought that friends are enemies, but at the end of the episode the sensor was placed right so when King Julien throws it at Mort (accidentally), he should see Julien's feet as his friends, but the opposite happens.
- Ma isn't seen in this episode, which could mean the Hoboken Zoo gave her a habitat.
- Almost all the zoo animals are seen in this episode. The only ones missing were Darla, Becky, Stacy and the animals from the petting zoo.
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