Kang! The Romulan commander! Tholians! IDIC! Strong female characters! Alien aliens! Way too many romance-in-an-hour episodes! Shatner overacting! The TOS Rewatch does the third season overview: the good and the bad of the final live action season. (Yes, there is some good....)
There are times when you gotta wonder if Bjo Trimble should, perhaps, have kept her enthusiasm to herself.
That’s not entirely fair, but man, you gotta wonder how much better a world it would be if Star Trek had only the two seasons. Might it have been even more well regarded when it took off in reruns if those daily strip syndication packages didn’t include “Spock’s Brain” and “Plato’s Stepchildren” and “And the Children Shall Lead” and “Turnabout Intruder” and all the other dross from this season?