Bart is sad as he writes "We'll really miss you Mrs. K" on the chalkboard, referring to the real-world passing of her voice actress, Marcia Wallace, just nine days before the premiere of this episode. At the end of the episode is a dedication to her, with Edna saying "Ha!"
On the Australian broadcast of this episode on channel 10, and some American broadcasts, The ending was a tribute to Chip Davis and his "Appearances" on previous episodes.
Several people drawn in Mr. Burns's sketchpad are: Hemingway (A stick person fisher), Picasso (Stick person doing cubism, an art form Picasso was known for), Matador Juan Belmonte (a stick person bullfighter with the thought bubble Uh-oh) and Stalin (Unlike the others he's drawn the way he actually appears instead of as a stick figure). Mr. Burns comments "That man could really put pressure on you.".
The last time the Springfield Police department Snipers showed complete inability to shoot a rifle correctly was in The Homer of Seville.