This Is Us Season Finale Recap: Brothers Gotta Slug (It Out) This Is Us. The Season 4 finale marked the 72nd episode of “This Is Us” in less than four years. Season 4 Finale: Surprise Children, New Characters, and … Courtesy of NBC. Season Finale Recap: Brothers Gotta Slug (It Out) By Kimberly Roots / March 24 2020, 7:00 PM PDT. It's the moment "This Is Us" fans have been waiting for since the ending of Season 2: Who is 'her'? This Is Us ' Season 4 Finale: Surprise Children, New Characters, and One Huge Fight. Dan Fogelman held nothing back when he wrote the season-four finale of This Is Us, which—spoilers ahead!—revealed that Kate and Toby adopt a … That’s an incredible amount of content to produce, of drama to create, of plots to juggle. This Is Us. ' Warning this article contains spoilers about the Season 3 finale of "This Is Us."