- What Could Have Been: Harlan Ellison wrote a screenplay in The '70s (it's still in print!) which was much closer to Asimov's anthology. Unfortunately, the plot (which looked back on Susan Calvin's life in a manner deliberately similar to Citizen Kane) and the FX-heavy scenes (which included a lost city in the Amazon, several alien planets, and a duel in what would later be called cyberspace) didn't fit the producer's vision and/or budget, so it was shelved. Oddly enough, some DVDs of the 2004 film came bundled with a copy.
- VIKI was originally gonna be male, but writers felt it would give away The Reveal as it would remind viewers of HAL.
- Will Smith was asked to pen and perform a hip-hop song for the film, as he did for Men in Black and Wild Wild West. After giving it some thought, Smith decided against it, saying the song "I, Robot" which featured lyrics about the "robots comin' " to take over, would take away the serious edge from the film. There would have also been a scene of Will/Spooner and Sonny having a dance fight.
The book by Isaac Asimov:
- Hipgnosis: Did the cover art in collaboration with George Hardie, who drew the robot.