The fourth season begins with a special comedy where Jack and Rebecca decided to take the Big Three in the pool for a special day. At that time, Jack tries to meet Rebecca's parents and new characters may emerge along the way. Beth and Randall face a new path as they adapt to life in Philadelphia.
I have to admit that I thought the show would string us along for several episodes before revealing how these people were tied into the main story, but good on This Is Us - by the end of "Strangers" we know how they're initially connected.
September 26, 2019
The multiple story threads are becoming refreshed with new vines to follow, but what has not changed at all is the ability of "This Is Us" to be ever so moving.