Trivia: Shinryaku! Ika Musume
- Fan Nickname: Tako-Musume, for Tanabe Kozue (see There Is Another).
- Hey, It's That Voice! —
- In Japanese...
- In the English dub...
- Name's the Same: Cindy's last name is Campbell.
- Series Hiatus: Season 2 barely started before the show had to be placed off the air for two weeks, citing "a situation with the studio", to the disappointment of many.
- Worth noting: Two of the TV networks broadcasting the second season started two weeks late and did not go on hiatus at all; the overall effect was that the subsequent episodes premiered on the same day on every station.
- Talking to Himself: Ika and the Ika cyborg that she battles are voiced by the same seiyu.