Columbo: It certainly looks like it's one on me, doesn't it? You know, I really believed it all fit together. All the pieces, everything. The killing of the nurse, everything. Well, it goes to show you, Doc, maybe I've been at this job too long. Okay. You win. You're finally rid of me.
Dr. Mayfield: You'll be all right, Lieutenant. I'm sure you'll find others to harass.