While filming Age of Ultron, Elizabeth Olsen (Wanda) began to refer to the red magic that comes out of her character's hands as "wiggly whoos". In this episode, Pietro calls them by this name.
Wanda (Elizabeth Olsen) warns her boys not to cross Ellis Avenue. In the MCU, President Ellis (played by William Sadler) was in office when the Sokovia Accords were signed, setting restrictive boundaries on superpowered people like the Avengers.
The first episode in the show not to have a laugh track.
This episode's title sequence and storyline mimics that of 2000s sitcom "Malcolm In The Middle." This reveals that stylistically, WandaVision is getting closer to the modern era of television.
Matt Shakman has revealed in an interview with Kevin Smith that the "kick-ass!" lines were not intentionally a reference to both Quicksilver actors starring in the superhero movie of the same name. It was just a coincidence that fans noticed.