Noam Pitlik would go on to direct more than 100 episodes of "Barney Miller" & win an Emmy in the process.
It had been established in the previous episode that Det. Harris volunteered to work in vice which leads to the reappearance of Det. Wilson in this episode.
Although everybody talks about how old Fish is. in actuality, Jack Soo who plays Yemana is over 3 years older than Abe Vigoda, who plays Fish.
First appearance of recurring characters Marty Morrison and Arnold Ripner.
A shot of Barney laughing while talking on the phone would be used in the opening credit sequence for the first season.