Ignore the Trekkie haters, ‘Discovery’ is good — and there’s a HUGE twist in the season finale

<b>Television • </b>Episode 15 isn’t altogether satisfying, but for geek’s sake don’t miss the last couple of minutes.

(Photo courtesy of Jan Thijs/CBS) Sonequa Martin-Green as Michael Burnham, Jayne Brook as Admiral Cornwell, Michelle Yeoh as Philippa Georgiou and James Frain as Ambassador Sarek in “Star Trek: Discovery.”