The animated adventures of Captain Kirk, Mr. Spock and the crew of the Starship Enterprise.
Seriously, could the animation move any slower? It is almost like watching a still painting with an audio track.
But... who cares, because it still delivers Star Trek stories. It still continues the story. It is still some pretty decent Star Trek.
And, honestly, compared to modern cartoons, even with the snail paced animation it still looks leagues better than what is being made today.
The only issue is that... it ended and it ended too soon. You really don't get many episodes despite how long it aired, and it felt as unfortunately abrupt as the Original Series. You are left wanting more and you have to wait for the movies to get it.