|"Shinryaku!? Ika Musume - Episode 12"|
|Season 2, Episode 12|
|Air date||Dec 26, 2011|
|Outro||"Kimi wo Shiru Koto"|
Kunren shina-ika!? (訓練しなイカ！？)Edit
Practice Makes Squid Perfect?! / Won't You Practice!?
Squid Girl asks the Lemon to help her invasion club practise for proper invasions, though really she wants to test her ability to invade without Chizuru around.
Matsuri ja na-ika!? (祭りじゃなイカ！？)Edit
Ink That A Festival?! (pt. 1) / Isn't That A Festival!?
After Squid Girl gets into a fight with Eiko, they decide to stop talking to each other.
Yappari Matsuri ja na-ika!? (やっぱり祭りじゃなイカ！？)Edit
Ink That A Festival?! (pt. 2) / No Really, Isn't That A Festival!?
As everyone attends a summer festival, Squid Girl ends up getting separated from her friends. As a shower hits, Eiko decides to search for her and meets Kozue, who helps her find and make up with Squid Girl.