Minoru remarks that in the RPG episode Chi's character had zero experience points but still had the ability to defeat the toughest monster in the game.
Sumomo is programmed to dance when she is on stand-by mode.
This episode reveals Ueda's wife's name.
According to the photo that Chi picks up, Minoru's older sister's name is Kaede.
Sumomo and Kotoko are 16cm tall.
M is the user name Minoru Kokubunji uses.
Various sources claim that Chi said "underpants" on the English dub 111 times.
The Japanese use the persocom (pasokon) term as an actual abbreviation for personal computer.
Goof: After Hideki finds Chi, there's a scene where he's fantasizes about what she can do, one of the things is using her as a video game console, and either the TV and/or the controller is plugged into her ears. However he doesn't learn that that's where the plugs are until a scene later on when Shinbo shows him.