Sinopsis Shinryaku!! Ika Musume/Shinryaku! Ika Musume OAD/The Invader Comes From the Bottom of the Sea! OVA/Shinryaku! Ika Musume OVA/Squid Girl OVA/侵略!!イカ娘/The Squid Girl OVA/Shinryaku! Ika Musume Ovas: DVD anime asli yang dibundel dengan manga volume 12, 14, dan 17.
