Jerry Seinfeld commented that the references to Schindler's List (1993) were included after learning that Steven Spielberg got so depressed while filming the movie that he would watch tapes of Seinfeld episodes to cheer himself up.
The framed photo on one of Elaine's (Julia Louis-Dreyfus) nightstands is of a young Alice Roosevelt Longworth, daughter of President Theodore Roosevelt.
Judge Reinhold received an Emmy nomination for playing Aaron.
Signs of Monet's failing eyesight due to cataracts are evident in paintings as early as 1908.
George and Jerry are talking about Jeopardy and refer to the first round of the show as "single Jeopardy." It is always simply called the Jeopardy round. The next round is however called double Jeopardy and the last question is called final Jeopardy. Mayim Bialik hosted Jeopardy on a rotating basis from 2021 to 2023 and was criticized for constantly calling the first round on the show "single Jeopardy."