Buck and Abby’s reunion on last Monday’s 9-1-1 finale may have been difficult to watch (so bittersweet!)

Oliver Stark talked about the show, his life and how he has been acclimating to this new normal.

We've added screenshots from Episode 18, "What's Next?," of Season 3 of 9-1-1.

Oliver Stark opened up exclusively to Us Weekly about Connie Britton's return and what's to come on '9-1-1'.

We've added screenshots from Episode 17, "Powerless," of Season 3 of 9-1-1.

We've added screenshots from Episode 16, The One That Got Away," of Season 3 of 9-1-1.

TVLINE | When I heard that we were getting a Buck-heavy episode, I was expecting action. This was a nice emotional surprise.

Here, Stark takes us inside the emotional hour for Buck, discusses a hypothetical reunion with Abby, and previews the big finale event.

We've added screenshots from Episode 15, "Eddie Begins," of Season 3 of 9-1-1.