: The episode features Leslie , a mysterious woman in an attic-like room who appears to be controlling the characters' world. It also introduces a "Safe" character who acts as a teacher for insurance. Other notable mentions of "S1E6" and "Electricity" include:

: Fans and critics often interpret the focus on electricity as a metaphor for how modern humans delegate thinking and autonomy to technology and AI .

: The episode begins with the trio attempting to complete a crossword puzzle. After Yellow Guy points out the flaws in a teacher's song about insurance, he discovers a power outlet behind a picture frame. Upon plugging himself in, he becomes "smart," gains a more sophisticated vocabulary, and begins to see the world as a structured, digital-like system.

: This TV series revolves around people developing the biological ability to conduct electricity; its sixth episode is titled "Sparklefingers" .