Mathlete's Feat/References

Cultural references

 * The episode name is a reference to the fungal skin infection.
 * Skinner burns a cart of books in a book burning machine called the "Anti-Gutenberg 3000", the machine has a temperature display that says 451 degrees. This is a reference to the novel , which is about a dystopian future where all books are burned, along with the houses they are kept in. The name Gutenburg is a reference to, the man who invented the printing press.
 * When Willie says his (pointed) hat is not a "sorting hat" he is referring to the hat in Harry Potter that tells new students to which House they are assigned. Willie then animates his hat to act like a sorting hat and spit out the name of a school.
 * The BHO Now app that Nelson used is a parody of.
 * He's watching a parody of 's Game of Thrones on it.

Trivia

 * The math joke seen on the board (√-1 2^3 Σπ) means "i 8 sum pi" (I ate some pie).
 * Despite Bart seemingly replacing Database as team captain, Cosine is the one not present at the last competition.

Continuity

 * The clips the kids view on their Mypads use stock footage from previous episodes:
 * Joyce pulling off Sideshow Bob/Walt Warren's face. ("The Bob Next Door")
 * Wayne Slater training. ("The Falcon and the D'ohman")
 * The Stradivarius Cain movie. ("The Spy Who Learned Me")
 * The nude British scene from "Love Is a Many-Splintered Thing".
 * The taxi Nelson arrives in at the beginning is driven by Slava. ("The Fabulous Faker Boy")
 * The film that introduces Springfield Elementary at the math competition is produced by Chalmskin Productions. ("Any Given Sundance", "Blazed and Confused").
 * Bart breaks the fourth wall in the the couch gag saying "no more guest animators, man".