Squid Girl's adventures on dry land continue! Now that she's "friends" with the Aizawas, Squid Girl can concentrate on more important things: like figuring out how to REALLY invade the Earth! Whether she's going to school, learning new skills, or just trying to figure out the intricacies of human interaction, from her base at the Lemon Beach House, she's always ready to go!
Kiyomi and her friends go visit Squid Girl, much to the dismay of Sanae. While there the group has a contest to see who can catch the most jellyfish.
Squid Girl goes to school with Takeru where she ends up challenging some bullies. Later, Eiko and Nagisa try an unconventional approach to attract female shoppers.
While on a walk, Squid Girl and Alex are attacked by another dog! Afterwards, Goro puts Squid Girl to work as a lifeguard, but he doesn't trust her entirely.
The antics never end with these friends! Eiko and Cindy face communication issues. Squid Girl learns about tickling, and hiccups…then she ends up separated from the group!
Squid Girl accidently break Takeru’s new toy car! Later, everyone writes down their wishes for Tanabata, and Squid Girl helps Takeru find ways to play by himself.
Goro joins Chizuru on a jog while Eiko and Takeru take Squid Girl on a tour of the city. Sanae decides to become Squid Girl's bodyguard so she can be around her all the time.
Ayumi's dad invites the Aizawas over for dinner. Squid Girl and Eiko find his hospitality to be awkward. Then, Squid Girl falls down the stairs and loses her memory!
Squid Girl mistakes a burglar for Chizuru's dad. After falling into a trap she tries resist her craving for shrimp. Later, both Squid Girl and Sanae collapse with heat stroke!
Playing House gets complicated for Sanae, Kiyomi, and Squid Girl! Over the weekend the Aizawas take Squid Girl to an amusement park, and find out it is closing.
Ayumi takes some self-defense lessons from Chizuru, who demonstrates her techniques on Goro. On a hot day, the group powers up the Lemon’s air conditioner, a bit too much.
Sanae tries her hand at hypnotism. Later, the Southern Winds owner joins forces with the Three Stooges to make a robotic Squid Girl to once again challenge the real deal!
Squid Girl asks the Lemon to help her invasion club, under false pretenses. As everyone attends a summer festival, Squid Girl ends up getting separated from her friends.