10 Storylines You Can Expect to See During This Is Us Season 3

In addition to learning more about Jack's past, Aptaker said we will also learn how the Big Three dealt with their father's death when they were seniors in high school. "We're going to dive into that year, where there's so many stories to tell about the decisions they make, and the way they react to their father's death shaped their trajectory for the next 20 years of their lives," he told Glamour.