Writer Joseph Bonaduce is the father of The Patridge Family alumni actor Danny Bonaduce.
Charlie: The usual Harry.
Harry: Okay apple pie coffee and cream for you and coffee black no sugar for your partner, right.
Charlie: No Harry. No more coffee black no sugar for Mackenzie, he's (arms waving) he won't be with us anymore.
Harry: Mac, not Mac. He was still in his prime. I mean that was the best cop that's worn a badge Charlie. Gunned down in the line of duty huh. Oh Charlie what can I say, it's just like what Pat O'Brien said when George Raft killed James Cagney.
Harry: He wasn't just a cop. He was my friend. He wasn't just my friend, he was my hero.
Charlie: Will you shut up Harry.
Harry: Oh Charlie will you tell me how did he get it? In the back huh.
Charlie: In the wallet Harry, he was promoted to plainclothesman.
Harry: That's nice say hello for me when you see him.
Harry: Who you got riding with you now?
Charlie: Oh I got a real winner now, Officer Pat O'Brien.
Harry: Pat O'Brien the movie star is a cop now. Wow Pat O'Brien.
Charlie: Not that Pat O'Brien, this one's a rookie, a real loser.
Harry: One of those smart college boys.
Charlie: Worse. One of those smart college girls.
In the opening credits the title is listed as Love and the Patrolperson but in the copyrights it is listed as Love and the Patrol Person.
When Charlie tells Harry about his new partner, he says "She's a regular Jacqueline Webb".
This is a reference to Producer/Director/Actor Jack Webb of Dragnet and Adam-12 fame.