[Warning: The below contains MAJOR spoilers for Blue Bloods Season 14 Episode 13 “Bad to Worse.”] Henry ( Len Cariou ) surprises Erin ( Bridget Moynahan ) twice in the latest Blue Bloods episode. First, she’s shocked to hear that he’s going to testify for the defense about the NYPD’s evolution on its chokehold policy during her case against a former cop who used one on a neighbor over a fence dispute.

When she confronts him, he just says the case is important needs expert testimony and he knows how to judge people. But then in court, on the stand, he speaks about how the defendant is one of those cops who’s the reason why chokeholds got banned. He didn’t clue Erin in because he didn’t want to ruin the surprise.

Below, Cariou talks about the fun of that, his final days on set, and the show ending. Watching the scene in the courtroom, it seemed almost like Henry was having fun on the stand, being able to surprise Erin. Len Cariou: Yeah, he was.

Being able to, in a sense, dupe her was great fun for Henry. I also liked the last scene with you and Bridget in Erin’s office and how Henry’s like, all right, where’s the scotch? We got quite a bit of you two together in this episode. I think the writers [wanted] to have some screen time with the two of them because they had had such a great history over the run of the show, and they were such great favorites, she being the only female in the group, and he’d always be saying to her, my favorite granddaughter, and.