Ep. 3: Squid Girl walks a jealous dog, exercises cause trouble, and she proves her lifesaving worth.
Aired on October 11, 2011

Eiko suggests Squid Girl walk Sanae's jealous dog Alex to help them bond, but they only reconcile after defending each other from an aggressive canine. Later, Squid Girl becomes obsessed with children's morning exercises, causing disruptions at her workplace. Goro then assigns her to a lifesaving duty, initially doubting her competence after several mistakes. However, when Squid Girl detects a genuine hazard in the water, she successfully rescues drowning children, demonstrating that she safeguards the ocean through her own unique methods despite Goro's lingering skepticism.
Episodes
- Ep. 1 · Squid Girl suspects invasion countermeasures while Sanae gets jealous and a jellyfish contest begins.
- Ep. 2 · Squid Girl visits school, tries cosplay, and experiments with weight control.
- Ep. 3 · Squid Girl walks a jealous dog, exercises cause trouble, and she proves her lifesaving worth.
- Ep. 4 · Squid Girl teaches English, gets ticklish, and drifts to a new beach
- Ep. 5 · Squid Girl breaks a radio car, struggles with Tanabata wishes, and helps Takeru find solo play ideas
- Ep. 6 · Squid Girl Joins a Jog, Becomes a Bodyguard, and Faces a Wilderness Dream Adventure
- Ep. 7 · Awkward Dinner, Amnesia, and the Formation of the Invasion Club