The best sci-fi TV of 2025: Alien: Earth, Severance, Andor and Doctor Who

If you live in a part of the world where January is a hardscrabble month of inclement weather, you might well be tempted to lock yourself away for the rest of the year, fearing the sun will never return. Should you succumb to this awful temptation, there would, at least, be a wealth of brilliant television to fill your days, as some hotly anticipated science fiction and science-focused TV series are arriving in 2025.

We don’t have to wait too long for sci-fi gold: three years after it first aired on Apple…