For information about 1988 in the fictional Star Trek universe, please see 1988.
January[]
- 4 January – Filming begins on TNG: "Coming of Age".
- 11 January – TNG: "The Big Goodbye" airs.
- 15 January – The score for TNG: "11001001" is recorded at Paramount Stage M, conducted by Ron Jones.
- 18 January – TNG: "Datalore" airs.
- 21 January – Abraham Sofaer dies.
- 22 January – Eli Behar dies.
- 25 January – TNG: "Angel One" airs.
- Pocket TOS Final Frontier by Diane Carey is published by Pocket Books.
February[]
- 1 February – TNG: "11001001" airs.
- 3 February –
- Star Trek IV: The Voyage Home premieres in France.
- Webster Whinery, Jr. is born.
- 5 February – The score for TNG: "When The Bough Breaks" is recorded at Paramount Stage M, conducted by Ron Jones.
- 8 February – TNG: "Too Short A Season" airs.
- 10 February – Jade and Nikita Ramsey are born.
- 15 February – TNG: "When The Bough Breaks" airs.
- 19 February – Larry Forrester dies.
- 20 February – Rihanna is born.
- 21 February – Blaisdel Makee dies.
- 22 February – TNG: "Home Soil" airs.
- Pocket TOS #38: The IDIC Epidemic by Jean Lorrah is published by Pocket Books.
March[]
- 1 March – Madeline Wise is born.
- 9 March – Kevin Wada is born.
- 11 March – The score for TNG: "Heart of Glory" is recorded at Paramount Stage M, conducted by Ron Jones.
- 12 March – Karen Steele dies.
- 14 March – TNG: "Coming of Age" airs.
- 15 March – Rik Vollaerts dies.
- 18 March –
- Ronald Tang is born.
- Alan Gibbs dies.
- 21 March – TNG: "Heart of Glory" airs.
- 23 March – Somkele Iyamah-Idhalama is born.
- 27 March – Piotr Michael is born.
April[]
- 5 April – The score for TNG: "Skin Of Evil" is recorded at Paramount Stage M, conducted by Ron Jones.
- 7 April – Ed Speleers is born.
- 10 April – Haley Joel Osment is born.
- 11 April –
- Mathieu Bourassa is born.
- TNG: "The Arsenal of Freedom" airs.
- 18 April – TNG: "Symbiosis" airs.
- 19 April – The score for TNG: "We'll Always Have Paris" is recorded at Paramount Stage M, conducted by Ron Jones.
- 20 April – Noah Averbach-Katz is born.
- 23 April – Erica Mer is born.
- 25 April – TNG: "Skin Of Evil" airs. Denise Crosby leaves the cast.
- 29 April – The score for TNG: "Conspiracy" is recorded at the Universal Studios Scoring Stage.
- Pocket TOS #39: Time for Yesterday by A.C. Crispin is published by Pocket Books.
May[]
- 2 May – TNG: "We'll Always Have Paris" airs.
- 4 May – Ed Bakey and Tom Overton die.
- 6 May – The score for TNG: "The Neutral Zone" is recorded at Paramount Stage M, conducted by Ron Jones.
- 9 May – TNG: "Conspiracy" airs.
- 16 May – TNG: "The Neutral Zone" airs, concluding TNG Season 1.
- 24 May – Paul Robert Langdon is born.
June[]
- 7 June – Robert Gilbert is born.
- 13 June – Bree Wasylenko is born.
- 26 June – Katie and Kellie Cockrell are born.
- 28 June – Giovanni Spina is born.
- TNG Season 2 begins production, but is substantially delayed due to a Writer's Guild strike. Diana Muldaur joins the cast as Doctor Pulaski, replacing Gates McFadden as Beverly Crusher.
- Pocket TOS #40: Timetrap by David Dvorkin is published by Pocket Books.
- Star Trek IV: The Voyage Home premieres in Poland.
July[]
- 1 July – Tony Leader dies.
- 8 July – Shazad Latif born.
- 15 July – Hana Hatae born.
- 25 July – Jajube Mandiela is born.
- 28 July – Gunnar Nelson is born.
- Pocket TNG #1: Ghost Ship by Diane Carey is published by Pocket Books.
August[]
- 1 August – Tanu Ravi is born.
- 6 August – Jordie Bellaire is born.
- 8 August – Samer Salem is born.
- 19 August – Wyatt Gray is born.
- Pocket TOS #41: The Three-Minute Universe by Barbara Paul is published by Pocket Books.
September[]
- 10 September – Chris Villegas is born.
- 13 September – The plans for Paramount Stage 9 are revised.
- 15 September – Coy Jandreau is born.
- DC TOS volume 1 #54: "Old Loyalties" is published.
- Pocket TOS Spock's World by Diane Duane is published by Pocket Books.
- Pocket TNG #2: The Peacekeepers by Gene DeWeese is published by Pocket Books.
October[]
- 4 October – Final draft script for TNG: "The Outrageous Okona" is submitted.
- 11 October – Morgan Farley dies. Filming begins on Star Trek V: The Final Frontier.
- 12 October –
- Ito Aghayere and Priscilla Tramontano are born.
- Filming is completed on TNG: "Where Silence Has Lease".
- Second revised final draft script for TNG: "Elementary, Dear Data" is submitted.
- 13 October – Filming begins on TNG: "Elementary, Dear Data".
- 15 October – Julian Davidson dies.
- 21 October – Filming is completed on TNG: "Elementary, Dear Data".
- 24 October – Filming begins on TNG: "The Outrageous Okona".
- Pocket TOS #42: Memory Prime by Garfield & Judith Reeves-Stevens is published by Pocket Books.
November[]
- 1 November – Filming is completed on TNG: "The Outrageous Okona".
- 2 November – Filming begins on TNG: "The Schizoid Man".
- 8 November – Oscar Camacho and Jessica Lowe are born.
- 9 November – Billy Curtis dies.
- 10 November – Filming is completed on TNG: "The Schizoid Man".
- 11 November –
- Sam Klatman is born.
- Filming begins on TNG: "Loud As A Whisper".
- 19 November – Kyle Kass and Patrick Kwok-Choon are born.
- 21 November – The second season of Star Trek: The Next Generation premieres with "The Child". The episode's late airdate is due to the Writer's Guild strike, and the script is recycled from an old Star Trek: Phase II story. Whoopi Goldberg makes the first of several recurring appearances as Guinan.
- 28 November –
- Scarlett Pomers born.
- TNG: "Where Silence Has Lease" airs.
- Pocket TNG #3: The Children of Hamlin by Carmen Carter is published by Pocket Books.
December[]
- 5 December –
- Nami Melumad is born.
- TNG: "Elementary, Dear Data" airs.
- 6 December – Roy Orbison dies.
- 12 December –
- Chris Perfetti is born.
- TNG: "The Outrageous Okona" airs.
- 28 December – Filming ends on Star Trek V: The Final Frontier.
- Pocket TOS #43: The Final Nexus by Gene DeWeese is published by Pocket Books.
- Early December – TNG: "A Matter Of Honor" completes filming.
- Mid-December – TNG: "The Measure Of A Man" is filmed.
Unknown month[]
- Josh Bell, Alex Chung, and Jodi Johnston are born.
- CIC Video begins its release of Star Trek series on VHS in the UK with TOS Season 1.