Daniel Radcliffe (last seen on the "Treehouse of Horror" episode "Tweenlight") returns as the voice of a strange, older boy named Diggs who gets Bart into falconry so he can learn how to fly, but Bart and Marge worry about Diggs' sanity. Features a coach gag directed by Sylvain Chomet (The Triplets of Belleville)
- All for Nothing: Despite Homer badgering Bart for the $20 he borrowed, once Bart handed it to Homer, Homer claims he doesnt remember Bart owing him any money.
- Artistic License Ornithology: Comic Book Guy's falcon can speak like a parrot, which gets lampshaded.
- Animation Bump: Sylvain Chomet's couch gag is animated more smoothly than the show itself.
- Art Shift: The Couch Gag, drawn in Sylvain Chomet's distinctive style.
- Blatant Lies: Marge's denial of cooking the falcon in the ending.
- Economy Cast: After Diggs injures himself jumping out of a tree, he goes to the hospital and after being treated by Dr. Hibbert is passed on to another doctor. Bart is confused that there is another doctor in the hospital other than Dr. Hibbert.
- Exact Words: Nelson calls Bart "herbivore" for eating a dead frog. After Lisa tells Nelson what "herbivore" really means, he explains that the dead frog's name's Herb.
- Hoist by His Own Petard: Homer's constant badgering of Bart for his $20 results in him being badgered by Dr. Hibbert for $4000, after Bart takes a bet to eat a frog and ends up hospitalized for it.
- Jerkass: Bart borrows $20 from Homer to go to charity and what follows is a montage of Homer badgering Bart for the $20 nonstop, even when Marge tells him to stop. At one point hes even seen intimidating Bart with Fat Tony and his gang.
- Surprisingly Realistic Outcome: Homers badgering of Bart over $20 results in him eating a frog in a bet. As a result he has to get his stomach pumped due to the formaldehyde in said frog and Homer gets charged a $4000 hospital bill.