What is nypd blue season 4?

NYPD Blue Season 4 aired from October 15, 1996, to May 20, 1997. It consists of 22 episodes. The season continues to follow Detective Andy Sipowicz as he deals with his addiction and the aftermath of his son's death. The season also introduces new characters, including Detective Jill Kirkendall and Sergeant Baldwin Jones. Other storylines in the season include Sipowicz's relationship with Assistant District Attorney Sylvia Costas, Kirkendall's battle with breast cancer, and the team's investigation into a serial killer. The season was well-received by critics and received five Primetime Emmy Awards, including Outstanding Drama Series.