TNG movies are tricky in that they do embed a few spoilers.
If your wife doesn’t get into DS9, I’d consider hopping over to Voyager. It’s uneven throughout its run, but has many ‘best of trope’ episodes, and has proved to be the most successful entry series to the franchise of all of them.
I saw him at a con in the late 80s.
By way of concession, when responding not so enthusiastically to questions from the audience about the shenanigans Shatner and Nimoy got up to in order to blow off steam during long shooting days, Doohan said that since he’d been in real combat in WW2, he had a different approach to work and not a lot in common with them.