The week-long national syndication window opens for the 43rd episode of Star Trek: The Next Generation. Guest star Barrie Ingham, who guest starred in a 1960s Doctor Who story, becomes a rare instance of an actor to receive on-screen credit in both Doctor Who and Star Trek. 
Co-written and directed by William Shatner (whose contract allows him to direct a Star Trek movie since his co-star Leonard Nimoy has done so), Star Trek V: The Final Frontier premieres in theaters to decidedly mixed reviews. This is the first movie featuring the original cast to debut during the run of Star Trek: The Next Generation, and its shaky box office performance ends Harve Bennett’s run as the creative force behind the Star Trek movies.
The week-long national syndication window opens for the 44th episode of Star Trek: The Next Generation. Majel Barrett Roddenberry guest stars; Fleetwood Mac drummer Mick Fleetwood appears as a fish (no, really).
The week-long national syndication window opens for the 45th episode of Star Trek: The Next Generation. Suzie Plakson guest stars.
The week-long national syndication window opens for the 46th episode of Star Trek: The Next Generation. Armin Shimerman (Star Trek: Deep Space Nine) guest stars.
The week-long national syndication window opens for the 47th episode of Star Trek: The Next Generation. Billed as “something Star Trek has never done before” in advance publicity, the second season finale is a clip show made up primarily of “memories” from older episodes – one last blow to the series from the 1988 Writers’ Guild strike. This marks the final appearance of Diana Muldaur as Dr. Katherine Pulaski, as well as the unforgiving (and apparently spine-damaging) uniforms from the first two seasons. This is also the last episode to feature Maurice Hurley as executive producer; he hands the reins over to new executive producer Michael Piller for the third season.
The week-long national syndication window opens for the 48th episode of Star Trek: The Next Generation, opening the third season. Ken Jenkins (Scrubs) and Whoopi Goldberg guest star.
The week-long national syndication window opens for the 49th episode of Star Trek: The Next Generation.
The week-long national syndication window opens for the 50th episode of Star Trek: The Next Generation. Good tea. Nice house. John Anderson guest stars.
The week-long national syndication window opens for the 51st episode of Star Trek: The Next Generation. Kathryn Leigh Scott (Dark Shadows) and Ray Wise (Twin Peaks) guest star.
The week-long national syndication window opens for the 52nd episode of Star Trek: The Next Generation. This is the first televised script written by Star Trek fan (and future Battlestar Galactica remake showrunner) Ronald D. Moore.
The week-long national syndication window opens for the 53rd episode of Star Trek: The Next Generation. Whoopi Goldberg guest stars.
The week-long national syndication window opens for the 54th episode of Star Trek: The Next Generation. Andreas Katsulas (Babylon 5) guest stars in an episode written by future Farscape producer David Kemper.
The week-long national syndication window opens for the 55th episode of Star Trek: The Next Generation. Dan Shor (Tron) and Kevin Peter Hall (Misfits Of Science, Harry And The Hendersons) guest star.
The week-long national syndication window opens for the 56th episode of Star Trek: The Next Generation.
The week-long national syndication window opens for the 57th episode of Star Trek: The Next Generation. Andreas Katsulas (Babylon 5) guest stars in the first spec script bought from future Battlestar Galactica showrunner Ronald D. Moore.
The week-long national syndication window opens for the 58th episode of Star Trek: The Next Generation. James Cromwell guest stars.
The week-long national syndication window opens for the 59th episode of Star Trek: The Next Generation.
The week-long national syndication window opens for the 60th episode of Star Trek: The Next Generation. John de Lancie, Whoopi Goldberg and Corbin Bernsen (L.A. Law) guest star.
The week-long national syndication window opens for the 61st episode of Star Trek: The Next Generation.
The week-long national syndication window opens for the 62nd episode of Star Trek: The Next Generation. Whoopi Goldberg and Denise Crosby guest star in an episode later considered a high point of the entire series.
The week-long national syndication window opens for the 63rd episode of Star Trek: The Next Generation. This episode marks the directorial debut of Jonathan “Riker” Frakes.
The week-long national syndication window opens for the 64th episode of Star Trek: The Next Generation. This episode begins the epic Klingon story arc that runs through several more episodes of TNG and even into spinoff series Star Trek: Deep Space Nine. Tony Todd guest stars.
The week-long national syndication window opens for the 65th episode of Star Trek: The Next Generation.
The week-long national syndication window opens for the 66th episode of Star Trek: The Next Generation. Jennifer Hetrick and Max Grodenchik (Star Trek: Deep Space Nine) guest star.
The week-long national syndication window opens for the 67th episode of Star Trek: The Next Generation. Michael Cavanaugh (Starman) guest stars.
The week-long national syndication window opens for the 68th episode of Star Trek: The Next Generation. Dwight Schultz (The A-Team) guest stars.
The week-long national syndication window opens for the 69th episode of Star Trek: The Next Generation. Saul Rubinek (Warehouse 13) guest stars.
The week-long national syndication window opens for the 70th episode of Star Trek: The Next Generation. Mark Lenard (Planet Of The Apes) guest stars as Spock’s father Sarek, the first original series character to appear since the cameo appearance of Dr. McCoy in the series pilot.
The week-long national syndication window opens for the 71st episode of Star Trek: The Next Generation. Majel Barrett Roddenberry and Ethan Phillips (Star Trek: Voyager) guest star.