In this episode, we learn Rooster's real name: Quentin.
Al Brimmer was an alias and you never find out his real name.
The code used on the phone to make all the contacts was: "This is Mr. Stone, it's time to go."
Baretta's alias in this episode was Clyde Welkin of Welkin, Welkin, and Welkin a law firm.
Muncie's Liquor Store was located at 52nd and Main.
Dago Red is a homemade Italian wine known for being stronger, less expensive and gets you more drunk.
Dago Red was also the nickname of Father Mulcahey in the movie M*A*S*H. The Catholic priest and cheap red wine is used in communion in a Catholic mass.
Autralian is a rhyming slang then developed as a secret language of the London underworld from the 1850s, when villains used the coded speech to confuse police and eavesdroppers.
In the opening scene a snitch tells Baretta his name is Joey Brown Eyes. Later when Walker is in the hospital, he tells Baretta that Joey Blue Eyes told him about the job.
Baretta goes to the movies to see "High Plains Drifter", the 1973 Clint Eastwood film about a loner in the Wild West known only as the Stranger.
This is the first episode for Edward Grover who replaces Dana Elcar as Baretta's boss. Due to personality conflicts between Robert Blake and Dana Elcar.
This episode starts off with Baretta's surprise birthday party. Billy is dancing with Rosie, Foley, Shiller are also there from the department as well as Mimi.
Margot Kidder sings "My Funny Valentine" in this episode.
One of the best episodes, when Robert Blake pleads with the Judge for his mentally challenged friends release, is absolutely brilliant performance, raw and real.
This is the first episode where the words of the title music is revealed, no less than sung by a nun played by Marnell McCall. Later in the episode when Baretta is driving the song "Keep Your Eye On the Sparrow" is being played sung by Jim Gilstrap.
Robert Blake plays guitar and sings "Leaning on Jesus" in this episode.
Flat foot is a slang term used for a policeman.