Dan Fogelman also offers insights into the big moves of the season 4 finale.
This is Cain-and-Abel-key in stuff for these two.
And obviously it’s all done in one take.

Ron Batzdorff/NBC
Along with the clash came other gasps.
Surely this is the pregnant fiancee that Kevin referred to earlier this season in that flash-forward?
Fogelman would only say that the answer is coming soon.
“There are many more chapters in Kevin’s romantic story.
Zach (Adam Rocha) was Hailey’s co-worker, who is romantically interested in her.
“It’s no coincidence he was introduced in the same episode that Dr. K returned.”
“It’s kind of a rebirth and a lot of new beginnings.
But particularly the wordbirthwould be a big thematic part of next season.”
“So often they operate as a couple, in service of the larger family,” noted Fogelman.
Or whom Nicky (Griffin Dunne) found love with, given that he was wearing a wedding ring?
“They will all be answered, and there’s a plan for it,” said Fogelman.
“That’s when the Pearson story will basically come to a close.”