The character of Geordi LaForge was originally conceived as Jamaican. When LeVar BurtonLeVar Burton was cast in the role, this was dropped, although a Jamaican actress (Madge SinclairMadge Sinclair) later appeared as LaForge's mother.
Data's cat "Spot" is a male throughout the history of the show, but is suddenly female in the episode {Force of Nature}, and in the episode {Genesis} gives birth to kittens.
In the episode {Sub Rosa}, names on the tombstones include "Vader" and "McFly".
The number 47 pops up an inordinate amount of times on computer screens, serial numbers, dates and so on. This tradition was started by writer/coproducer Joe MenoskyJoe Menosky and was soon picked up by the rest of the production team. Menosky said that he choose that particular number because when he was a graduate student at Pomona College, Professor of Mathematics [?] Donald Bentley proved as a joke that all numbers are equal to 47.
Lieutenant Reginald Barclay, an Enterprise engineer, has the full name of Reginald Endicott Barclay III, according to the scripts of his episodes. This is a homage to the TV series [Benson] which had a character named Clayton Endicott III (played by Rene AuberjonoisRene Auberjonois, who would later play Constable Odo in [Star Trek: Deep Space Nine]).
Running for seven seasons, the show briefly held the record for longest-running American live-action science fiction TV series (though several fantasy series ran longer). It was soon tied by its spin-offs [Star Trek: Deep Space Nine] and [Star Trek: Voyager]. In 2002, the record was taken by [The X Files] which ended after nine seasons.
When the cast decided to lobby for a salary increase, actor Wil WheatonWil Wheaton's first offer from the producers was to instead have his character's rank raised to Lieutenant. His response was, "So what should I tell my landlord when I can't pay my rent? 'Don't worry, I just made Lieutenant'?"