See also "The Turnabout Intruder", where a woman from Kirk's past switchs minds with Kirk so she can be a Starfleet captain.
What! Ha.
It was the 1960s. They hadn't invented continuity yet. You don't need to watch the episodes in order.
twitches
I'm trying to watch in order anyway, but I might go back and watch ones I skipped later if I feel like it. (The lack of continuity is one reason I don't feel compelled to watch every single episode.)
What! Ha.
You haven't seen anything until you've seen Shatner channel his inner "woman".
"Catspaw" is one I really enjoyed that I haven't noiced anyone else mentioning. It was my first exposure to the Cthulhu Mythos!
What's the one where it's Kirk vs. a Romulan ship and it's basically a submarine fight in space with the lurking and the decoys and the glayvin?
That's a good one.
"Balance of Terror" with Spock's dad as the Romulan commander!
"Journey to Babel" introduces you to Spock's parents.
"Mirror, Mirror" must be watched to understand references to Spock in a goatee.
And, of course, "I, Mudd." Harcort Fenton Mudd must have a place in your pop culture lexicon.
Corwood, or anyone, have you watched the commentary on the Criterion DVD of The Seven Samurai? I'm thinking about buying it just to go to film school every few years.
"Mirror, Mirror" also started the tradition of Evil Twins wearing goatees -- important cultural reference there. Also, IIRC it's one of the first appearances of an Alternate Reality appearing on an SF show.
Cat's Paw--- was that the one where some of the characters might have been spun off in their own show?
No, you're thinking of "Assignment Earth" with the trip back into the 20th century. It was intended as a backdoor pilot for a show about the Gary Seven character.
"Catspaw" was the Halloweenish/Haunted Castle episode with the extragalactic aliens who menaced the Enterprise with sympathetic magic.