Columbo: That first day I couldn't give a hoot in hell about a thief. I was looking for a cigar smoker and there you were.
Dr. Cahill: All you have at the moment is a theory and right now you are in an institution where any staff member, including your little friend Steve, will tell you that a theory isn't worth a damn unless it can be proved.
Columbo: It's the same way at the institution that I work at, Doctor.
Neil Cahill: Not making much progress, huh?
Columbo: I've got somthing. But, uh, motive -- it's uncertain and everybody's got an alibi. However, world wasn't built in a day.
Columbo: The house was spotless except for that scuff mark on the living room door.
Margaret Nichols: I heard you noticed that. You're pretty observant.
Columbo: Some people say I'm snoopy.
Steve: What's his name?
Columbo: What? The dog? Well, he doesn't have a name. My wife and I, we could never agree on one. We just say Hey or Dog or whistle. Doesn't make any difference. He don't come when you call him anyway.
The 12 year old boy genius played by Lee H. Montgomery is named Stephen Spelburg after director Stephen Spielberg. At the time this was an inside joke amongst the staff at Universal Studios. When this episode was made, Spielberg was still a year away from achieving world wide fame as the director of Jaws (1975), but he was well known around the Universal lot as a young prodigy.
Robby the Robot from the 1956 science fiction classic movie Forbidden Planet guest stars in the role of Double M-7.
It is 71 minutes long.
Lee Montgomery was credited as Lee H. Montgomery.
90 minutes long.
The child prodigy, Steve Spelberg, is named after Steven Spielberg, who directed the first non-pilot episode, "Murder by the Book."
Robbie the Robot, star of the cult classic Forbidden Planet, appears here.