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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.
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Sumomo is programmed to dance when she is on stand-by mode.
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This episode reveals Ueda's wife's name.
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According to the photo that Chi picks up, Minoru's older sister's name is Kaede.
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Sumomo and Kotoko are 16cm tall.
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M is the user name Minoru Kokubunji uses.
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Various sources claim that Chi said "underpants" on the English dub 111 times.
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The Japanese use the persocom (pasokon) term as an actual abbreviation for personal computer.
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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.