One of Harlan Ellison’s Star Trek episodes, “City on the Edge of Forever,” is widely regarded as the ‘best’ classic Trek episode among rennaisance fairgoers and role playing gamers alike.
I just watched it for the millionth time tonight, and I just can’t see it. It feels like a regular episode. Nothing too extraordinary.
My favorite original episode of Star Trek will always be The Changeling. I’m not sure why I like it so much. I think it’s because it involves a child-size space probe that floats around the ship spouting winning lines like “I am Nomad.” and “I am programmed to destroy those lifeforms which are imperfect.”
You can find some of these audio clips at this site prefaced by “Nomad:”