A Christmas episode, lighter than usual. The ""villain"" is a nebbish who steals from parking meters. When he gets arrested, he makes off with a squad car, which so enrages Samuels that nobody gets to leave early on Christmas Eve. The villain is played by character actor David Masur The ""B"" story is that Petri's Lauren daughter is born. We first meet Dory McKenna as Chris' boyfriend.
Keywords: buddy-cop , cops , female-detective , new-york-city , nypd , police-crime-drama , police-detective