- Deleted Role: A deleted scene featured Tim Matheson as a teenage version of Harmon.
- Executive Meddling: Raymond Gordon was going to be a physician, but CBS found the thought a physician would perform an experiment to be disturbing.
- Missing Episode: One of five episodes not in the original syndication package due to a plagiarism lawsuit. It has been subsequently made available for broadcast and streaming.
- Recycled Set: Harmon and Flora's apartment was later reused as the apartment that Salvadore Ross trades Mr. Halpert for his youth in "The Self-Improvement of Salvadore Ross" and as Walter Holmes' apartment in "From Agnes - With Love".
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