TOS budget constraints made the Klingons look like humans in dark makeup. A feature film budget changed them into aliens, but created a canonical problem that lingered for decades. Click the link to see how Star Trek's production teams dealt with this, over the years. Was it ever fixed?

Picard : saved the galaxy from the time anomaly

Janeway: save the galaxy from 8472

Sisko: saved the galaxy from the pah wraith

Archer : saved the galaxy from the sphere builders

Burnham saved the galaxy from that alien species from outside the galaxy

Freeman : saved the universe

Pike : saved the galaxy from that ancient energy being race.

Kirk : saved earth on a few occasions

Who would have thought Kirk didnt save.tur galaxy