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Episode
References
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Quotes
Credits
Homer Scissorhands
500 Keys
The Ned-liest Catch

Cultural references

  • Lisa thinks of Nancy Drew and the Hardy Boys while trying to figure out a way to get back the school key. Due to the time since the books were originally created, they have all died except for Nancy, who is dead by the time Lisa gets the key duplicated.
  • The scene where Nelson repeats, "And the day before that", while also walking backwards is a reference to the SpongeBob SquarePants episode, The Algae's Always Greener. Also, Nelson speaks through the speaker, which is similar to when Krabs speaks through the phone.
  • The quote by Chief Wiggum when the police blimp crashes, "Oh the Zoo-manity!" is a reference to the Hindenberg disaster. Zoo-manit by Cirque Du Soleil was mentioned by Bart in Marge's Son Poisoning.

Trivia

  • Lisa's saxophone is replaced with a violin in the opening sequence.
  • We learned Maggie can use the keys without help from her family.
  • Skinner confirms, once again, that the school is unaccredited.
  • The aired version of the chalkboard gag is an apology to Kristen Schaal for misspelling her name in the credits for "Homer Scissorhands".
  • In the fake classroom there is symbols for the four elements (Fire, Air, Earth, Water) visible, as depicted in Avatar.
  • This is the second episode where Chief Wiggum fails to catch something going between his legs. The first was "Coming to Homerica".
  • This is the second episode to show Otto crashing a bus full of children off a bridge and into a water source. Otto perviously did so in "Das Bus", but on that occasion, the kids on the bus got stranded on a deserted island.
  • When Lisa enters the banned book room for the first time, a hamster corpse in an orange transparent ball can be seen. This is a possible reference to the Deweys' hamster in Malcolm in the Middle. It might also be Superdude, from the episode Skinner's Sense of Snow.


Season 21 Season 22 References/Trivia Season 23
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