Despite Edward Platt's actual age of 54, in this episode the Chief announces that he is 42 years old.
DeGrasse: There's a very interesting picture of you in the CONTROL picture file, Mr. Smart.
Max: Thank you.
DeGrasse: But why were you sitting on a pony?
99: It was taken on his birthday.
99: Hi, Tiger.
Barbara Feldon began her TV career doing commercials for Top Brass pomade. She would invariably be found seductively lounging on an animal skin rug addressing the mail viewers as "Tiger".
Episode Title: What's It All About, Algie?
The episode title is inspired by the theme from Alfie, a popular 1966 movie starring Michael Caine. The first line of the song asks the question: "What's it all about, Alfie?"