Baymax sees a cortisol spike in Kiko when she looks at the community pool, so he assumes that she must have aquaphobia and he must cure her through exposure. This leads to quite the list of antics, including a scene where Baymax sprays her like a cat and then offers a lollipop and him accidentally getting her with the hose.
Just before he notices the spike, Baymax was about to search for a recreational facility for Kiko to go to, using his "state-of-the-art GPS tech", only to find said community pool DIRECTLY NEXT TO HER HOUSE, even interrupting himself mid-sentence saying that he found it.
This is followed by Kiko's Lock-and-Load Montage where she arms herself with a knitting needle and a staple gun, then hunts Baymax through town. Very slowly.
Sofia blurts out that she got her period to her friend Ali. In a very relatable moment, Ali isn't sure whether to say "I'm sorry," or "Congratulations."
While Baymax is out buying various hygiene products for Sofia, he begins asking another shopper for recommendations. This immediately draws several other shoppers, each with recommendations of their own. When we next see Baymax, he's carrying multiple shopping bags full of pads, tampons, and what-have-you, implying that he just went ahead and bought everything. One has to wonder where he got the money for all the purchases or the look on the cashier's face at seeing a marshmallow robot buying hundreds of menstrual products.
Upon getting the tampons, Sofia is unsure what to do. Baymax decides to display a handy-dandy instruction video on his screen, which, just like Hiro did when it came to Baymax discussing puberty, has Sofia quickly interrupt him.
The talent show has a rapid-fire montage of photos during Sofia and Ali's most dangerous stunt, which then suddenly stops as the audience cringes from a loud thud. Baymax immediately produces a band-aid from his finger without a word, and the next photo appears with Sofia and Ali holding the trophy, both covered in band-aids.
Mbita driving for his life when Baymax begins to use a needle finger to get histamine shots for his fish allergies. All while Italian opera music is playing in the background.
Just as Mbita drives away, Baymax lampshades how people can be Afraid of Needles.
