Character mistake: Gloria Reuben, referring to a suspect in custody, states in a press conference, "To the parents of the teenagers who were killed today. Know that Kyle Ferguson will be prosecuted to the fullest existence of the law." That word should be "extent". (00:06:19)
Continuity mistake: From last Season 14, episode 18 of Blue Bloods to this new spinoff series Boston Blue, Danny's hair is darker and thicker. He also lost his widow's peak.