Haley has gotten her learner's permit and when Phil and Claire teach her how to drive, the result is terrifying and hilarious at the same time.

Sigrid concludes this "personal journey into the unknown" with optimism about harnessing creativity in order to live a more fulfilling life with Alzheimer's even though it might not slow it down. We have to live in the present!

A year has gone by and Sigrid is back in Tacoma to spend time with her sister, Sylvia. Things have changed quite a bit, and Sigrid shows us Sylvia's new setup.

The two sisters talk about how important singing was for them growing up and Sylvia sings a little bit, too. This is their final appearance together on video before Sigrid's departure the next day.

Sigrid and Sylvia converse in the kitchen over coffee. They talk about coffee, about the city of Tacoma, about their month together, and about what they see out the window. Sylvia enjoys making sound effects with her voice every now and then.

Sigrid and Sylvia continue to work on making coffee. Meanwhile, they talk about what time of day they like to drink it and what they put in it.

When Jackie Howard's (Nikki Rodriguez) life is disrupted by a freak accident, she is ripped from her home and has to start over on a ranch in Colorado, with her guardian and a family of 12 boys.

Sigrid and her sister Sylvia hang out in the kitchen talking about coffee and making some, too. At times, they get a bit silly.

The two sisters talk about coloring, one of Sylvia's favorite things to do and they look at some of the work she has done.

The two sisters unpack a box that hadn't been opened since she moved to the house in Tacoma. It contains artwork she had done in the past along with some stray art supplies.

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Sylvia talks about how her diagnosis was reached and about what limitations there are for her now, such as going out for walks by herself and singing in the choir at church.

Sabrina Carpenter is an American singer and actress who first rose to fame in the series Girl Meets World and the adventure comedy film Adventures in Babysitting.

Sylvia is willing to talk about her Alzheimer's diagnosis, even though she struggles to form sentences and find the right words.

This final segment is about two fun expressions: "to kick the can down the road" and the currently popular expression, "Delay, delay, delay." Then Sigrid sums up parts 3 and 4.