Superman's first live appearance has him wearing a suit inspired by the Max Fleischer "Superman" short features.
Near the beginning of the episode, several TVs are shown displaying news coverage of Superman's heroic acts, including one that mentions Ace Chemicals. This is the name of the chemical plant in which the Joker fell into a tank of chemicals, causing his iconic transformation.
The names on the chalkboard are of significant figures in Superman history:
- Dr. Donner refers to Superman (1978) director Richard Donner
- Seigel & Schuster refer to Superman creators Jerry Siegel and Joe Shuster.
- Dr. Reeves refers to Superman actors George Reeves and Christopher Reeve.
Superman's first heroic feat in the show is to save a boy from being crushed by a green car. The scene of him putting it on the ground resembles the cover of his comic debut in Action Comics #1 in 1938.