For information dealing with this year in the timeline of the fictional Star Trek universe, see 1990.


24 September 1990 
Star Trek: The Next Generation enters its fourth season, resolving the Borg cliffhanger with "The Best of Both Worlds, Part II."
19 November 1990 
Wil Wheaton's final episode as a regular TNG castmember, "Final Mission," airs.

Other events


1989 productions Star Trek
Production timeline
1991 productions
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