The final episode had to be taped twice. The cast was so emotional that they often choked up or cried during the first taping so it had to be re-taped.
The closing credits roll without musical accompaniment.
The moments of Barney Miller's life which he was reminiscing about, the people no longer posted at the station house:
- Ramon (1975) (Season 1, Episode 1) - Chano (Gregory Sierra) arrests a fellow countryman (Original Air Date: January 23, 1975)
- Quarantine: Part 2 (1976) (Season 3, Episode 3) - Fish (Abe Vigoda) tells his wife Bernice that he won't be able to come home (Original Air Date: October 7, 1976 )
- Grand Hotel (1975) (Season 2, Episode 7) - Detective Wentworth (Linda Lavin) questions a suspect about the theft at theater (Original Air Date: October 23,1975)
- Rain (1975) (Season 2, Episode 11) - Yemana (Jack Soo) brews the morning coffee from water dripping from the ceiling (Original Air Date: November 27, 1975)
The persons who showed up to the farewell party:
- Marty (Jack DeLeon), the Confidential Informant and his life-partner Darryl Driscoll (Ray Stewart). Their status as a couple was demonstrated in Quarantine: Part 1 (1976) (Season 3, Episode 2; Original Air Date : September 30,1976).
- Bruno Bender (Stanley Brock) , Reactionary Sporting-Goods Businessman and his wife Naomi (Mari Gorman) . His marriage was disclosed in Homeless (1981) (Season 8, Episode 7; Original Air Date : December 17,1981).
- Salvation Army Officer, Ray Brewer (John Dullaghan). His first appearance as a member of the Salvation Army was in Contempt: Part 1 (1981) (Season 7, Episode 15; Original Air Date : March 12,1981).
- Sam Belinkoff (Walter Janovitz). His first appearance as Mr. Belinkoff was in Homeless (1981) (Season 8, Episode 7; Original Air Date : December 17,1981).
- Roommates Leon Roth (Ralph Manza) and Phillip Lukeather (Judson Morgan). They were brought together in Community Relations (1977) (Season 3, Episode 13; Original Air Date : January 13,1977).
- Career Criminal Arthur Duncan (J.J. Barry) . His first appearance as this character occured in Movie: Part 2 (1981) (Season 7, Episode 10; Original Air Date : January 29, 1981) .
- Internal Affairs Bureau Detective, Lieutenant. Ben Scanlon (George Murdock). His first appearance was in Block Party (1976) (Season 2, Episode 18; Original Air Date : February 12, 1976) .
Transfer Orders or Reassignment of Personnel to New Details:
- Dietrich - 34rd Precinct , Washington Heights (Upper Manhattan)
- Harris - 107th Precinct, Flushing Meadows (Central Queens)
- Wojciehowicz - Roosevelt Island, K-9 Corp (Island on the East River between Midtown Manhattan and Queens)
- Levitt - 73rd Precinct (Eastern Brooklyn)