Agent 86 and 99 were NOT their original numbers. Originally Don's character was going to be agent 68, and Barbara's was to be agent 69. Go figure. The censors had a problem with that and made Mel change the numbers around.
Mel Brooks must have used a crystal ball to see 40 years into the future and glean the theater-goer's bane.
The first episode opens with Max at the symphony in his best tuxedo, surrounded by the rich and affluent. Max is enjoying the concert from 5th row center when his shoe phone starts to ring. He looks embarrassed as the people around him look around puzzled. Then he scoots past everybody in his row to the isle and walks the full length of the theater to the lobby. All the time, his shoe is ringing.
For this inagural of the series, the only B&W episode, Maxwell Smart drives a different dark colored model Sunbean instead of his customary red Sunbeam Tiger. Moreover, Agent 86 enters the offices of CONTROL through the sidewalk stairwell to the basement instead of the lobby as seen throughout the remainder of the series' run.
When Maxwell Smart, Agent 99 and Fang leave the rubber novelties factory parking lot-supposedely in New York City, as the limo turns onto the street one can easily see palm trees and mountains indicating this was shot at Paramount Studios in Los Angeles.
In the first scene where Max attends a symphony concert, the orchestra is playing Beethoven's Symphony No. 7, 3rd movement.
This was the first time Maxwell Smart drove a red Sunbeam Tiger convertible.
This was the first of two appearances for the Claw.
Max states that all three suspect agents are left-handed but when they get Zukor to sign his name, and then pick up papers he dropped, he uses his right hand.
An error is seen when the infiltrator throws knives at Smart. One knife is thrown into the lid of Max's suitcase. while the lid is open. He closes the lid and answers the door. It's 99. She comes in and notices the knife, but now the lid is open again.
Max messes up his line (or it's a deliberate joke) as he tells the native girl to "close your mouth and open your eyes" and she does the opposite.
This is one of the few times where Max and 99 don't do battle with any KAOS agents.
The Chief's car is a Ford Mustang -Z The Zebra Car, created by George Barris, who created the Batmobile and the Munster's cars.
At the end of the program Max reveals that he has won the car in a raffle that was fundraising money for the Chief's ransom, therefore it should come as no surprise that it appears in the very next episode as Max's car.
Features Robert Karvelas a few episodes before he would be cast as the Chief's assistant, Larrabee
At the end of this episode, the British agent says he has come from Scotland Yard. But Scotland Yard is not a secret organization; the British external affairs branch is MI6.
Goof: When Smart tries to make a pool shot to impress The Chief, he rips the felt near the side pocket. When they show the table again the rip is no longer there. In subsequent shots it has reappeared.
The character Willie Marconi is based on real-life pool legend Willie Mosconi.
Max mentions that he learned a trick shot in pool from someone named "Three Fingers" Yarmy. The name Yarmy is the real last name of Don Adams.
Goof: Dr. Ratton is killed in this episode. However, in Season 3 episode "When Good fellows Get Together" Dr. Ratton is alive and well.
The Chief says that Goldwater lost the 1964 presidential election by 17 million votes. He actually lost by 15.9 million votes.
Max and 99 lay down on the front seat of the car right before bullets are shot through the windshield. When Max and 99 sit back up, a shadow suddenly appears on the wall behind them, revealing that time lapse photography was used.
Smart reads his horoscope and is a Scorpio.