1991 (production)

January

 * 2 January – Pato Guzman dies.
 * 5 January – Peter Marko dies.
 * 7 January –
 * airs.
 * UK VHS releases: TOS volumes 34, 35, and 36, TNG volume 8.
 * 7 January – 15 January – Seven days of filming on on Paramount Stage 8, 9, and 16.
 * 12 January – Keye Luke dies.
 * 16 January – 25 January – Eight days of filming on on Paramount Stage 8, 9, and 16.
 * 22 January – Second unit and blue screen inserts were filmed on Paramount Stage 13 for the episodes and.
 * 28 January – airs.
 * 28 January – 31 January – Four days of filming on.
 * 30 January – An additional scene for was filmed on Paramount Stage 8.

February

 * 1 February – 5 February – Three days of filming on.
 * 4 February –
 * airs.
 * UK VHS releases: TOS volumes 37 and 38, TNG volume 9.
 * 6 February – 15 February – Eight days of filming on including a location shoot at Descanso Gardens.
 * 7 February – Don McDougall dies.
 * 11 February – airs.
 * 18 February – airs.
 * 19 February – 27 February – Seven days of filming on.
 * 22 February – Inserts shooting on Paramount Stage 8 and 16 for.
 * 27 February – 28 February – Two days of filming on.
 * Pocket TOS #53: Ghost-Walker by Barbara Hambly is published by Pocket Books.
 * DC TNG volume 2 #16: "I Have Heard the Mermaids Singing" is published.

March

 * 1 March – 7 March – Five days of filming on.
 * 11 March – airs.
 * 18 March –
 * airs.
 * UK VHS releases: TOS volumes 39 and 40 (end).
 * 20 March – 28 March – Seven days of filming on.
 * 25 March – airs.
 * 27 March – Gilbert R. Leal is born.
 * DC TNG volume 2 #17: "Forbidden Fruit" is published.

April

 * 1 April –
 * airs.
 * UK VHS release: TNG volume 10.
 * 1 April – 9 April – Seven days of filming on.
 * 4 April – The visual effects unit at Image G filmed the solar surface and effects scenes for.
 * 8 April – UK VHS release: TNG volume 11.
 * 9 April – An additional scene for was filmed on Paramount Stage 9. The final draft script for  is submitted.
 * 10 April –
 * Paul Stader and Kevin Peter Hall die.
 * Second unit insert shots were filmed for.
 * 10 April – 18 April – Seven days of filming on.
 * 11 April – Publicity photo shoot for Gene Roddenberry at the transporter room set.
 * 16 April – Filming begins on.
 * 18 April – Second unit shots and inserts were filmed for, , , and.
 * 22 April – airs.
 * 23 April – Rudy Solari dies.
 * 29 April – airs.
 * Pocket TOS #54: A Flag Full of Stars by Brad Ferguson is published by Pocket Books.
 * DC TNG volume 2 #18: "The Weapon" is published.

May

 * 6 May – airs.
 * 7 May – UK VHS releases: TNG volumes 12 and 13 (end season 1).
 * Release on a Tuesday instead of the usual Monday due to May Bank Holiday.


 * 13 May – airs.
 * 27 May – airs.

June

 * 3 June –
 * airs.
 * UK VHS releases: TNG volumes 14 and 15.
 * 6 June – An official ceremony was held to dedicate the opening of the Gene Roddenberry building at the Paramount Studios to Gene Roddenberry.
 * 17 June –, the 100th episode of The Next Generation airs.
 * 18 June – Chuck Couch dies.
 * Pocket TOS #55:  by Gene DeWeese is published by Pocket Books.
 * Pocket TNG novel Boogeymen is published.

July

 * 1 July – UK VHS releases: TNG volumes 16 and 17.
 * 2 July – Filming ends on.
 * 8 July – 17 July – Eight days of filming on.
 * 18 July – 26 July – Seven days of filming on including two days on location at Bronson Canyon.
 * 26 July – Richard Tatro dies.
 * 29 July –
 * First day of filming on
 * Paramount Home Video releases the Star Trek: The Movies - 25th Anniversary Collectors Set VHS boxset in the US, along with rereleases of the first five in new packaging and in widescreen format for the first time.
 * Paramount Home Video also reissues the entire of  in new packaging.
 * 30 July – 31 July – Two further days of filming on.

August

 * 1 August – 6 August – Four days of filming on including one day on location at Bronson Canyon.
 * 5 August – Murray Golden dies. Insert shots for were filmed on location at Bronson Canyon.
 * 6 August – Publicity photos of the main cast and Whoopi Goldberg were shot at Paramount Stage 8.
 * 7 August – 15 August – Seven days of filming on including one day on location at the Golden Oak Ranch.
 * 7 August – 8 August – The Directors Guild Educators Workshop visited the set of.
 * 8 August – Blue screen unit filming for.
 * 12 August – UK VHS releases: TNG volumes 18 and 19.
 * 13 August – Entertainment Tonight journalists and photographers visited the set of.
 * 16 August – 27 August – Eight days of filming on.
 * 20 August – Irving A. Feinberg dies.
 * 21 August – Jesse James Rutherford is born.
 * 26 August – 2nd Unit insert shots were filmed for and  and blue screen shots were filmed for.
 * 28 August – 2nd Unit shots were filmed for and.
 * 28 August – 30 August – Three days of filming on.
 * 29 August – A camera crew from CBS This Morning visited the set and interviewed the cast members.
 * Pocket Books #56: Legacy by Michael Jan Friedman is published by Pocket Books.

September

 * 2 September – UK VHS releases: TNG volumes 20 and 21.
 * 3 September – 6 September – Four days of filming on.
 * 4 September – Carl W. Daniels dies.
 * 9 September – 18 September – Eight days of filming on.
 * 11 September – Cave scenes for are filmed on Paramount Stage 16 before principle photography.
 * 13 September – Cave scenes and scenes on the Romulan street for are filmed on Paramount Stage 16 before principle photography.
 * 15 September – John Hoyt dies.
 * 16 September – Scenes on the Klingon Bird-of-Prey for are filmed on Paramount Stage 5 before principle photography.
 * 19 September – 26 September – Six days of filming on.
 * 23 September –, the first episode of the fifth season of , premieres.
 * 27 September – One day of filming on.
 * 28 September – Star Trek 25th Anniversary Special airs.
 * 30 September – One day of filming on . airs.
 * Unknown – The plans for Paramount Stage 9 are revised.

October

 * 1 October – 7 October – Five days of filming on.
 * 3 October – 2nd Unit inserts were filmed for and.
 * 6 October – Lincoln Demyan dies.
 * 7 October –
 * airs.
 * UK VHS releases: TNG volumes 22, 23, and 24 (end season 2).
 * 8 October – 16 October – Seven days of filming on.
 * 9 October – Thalmus Rasulala dies.
 * 14 October – airs.
 * 17 October – 28 October – Eight days of filming on.
 * 21 October –
 * airs.
 * UK VHS releases: TNG volumes 25, 26, and 27.
 * 24 October – Star Trek creator Gene Roddenberry passes away at the age of 70, shortly after the 25th anniversary of his creation. The TNG episode is in production at the time, and the two-part episode  and  is dedicated to Roddenberry's memory.
 * 28 October – airs.
 * 28 October – 31 October – Four days of filming on.
 * 29 October – Second unit inserts are filmed for and.

November

 * 1 November – Star Trek: An Annotated Guide to Resources on the Development, the Phenomenon, the People, the Television Series, the Films, the Novels, and the Recordings is released.
 * 1 November – 6 November – Four days of filming on.
 * 4 November –
 * Leonard Nimoy makes a crossover appearance as Spock on the TNG episode, the first episode in a two-part event.
 * UK VHS releases: TNG volumes 28, 29, and 30.
 * 7 November – 15 November – Seven days of filming on.
 * 11 November – airs.
 * 18 November – airs.
 * 18 November – 26 November – Seven days of filming on.
 * 19 November – Reggie Nalder dies.
 * 25 November – Second unit and insert shots are filmed for and.
 * 27 November – Additional scenes for are filmed. The first scenes for  are filmed.
 * Pocket TOS #57: The Rift by Peter David is published by Pocket Books
 * Unknown – The Star Trek Logs: An MTV Big Picture Special Edition airs.

December

 * 2 December – UK VHS releases: TAS volumes 1 and 2, TNG volumes 31, 32, and 33.
 * 2 December – 11 December – Eight days of filming on.
 * 6 December – premieres in US theaters.
 * 11 December – 20 December – Eight days of filming on . It is the final episode to be filmed in 1991 and the production went into company holiday.
 * 12 December – Second unit and insert shots are filmed for and.
 * 19 December – Second unit and insert shots are filmed for, , and.

Unknown

 * UK VHS releases (Movies):, (25th Anniversary rereleases),.

1991 (produkce) 1991 productions Produzioni del 1991 1991 producties Produções de 1991