Alien spores makes the crew want to just abandon what they were doing and start a farm.
The Enterprise meets another godlike being, and this one likes to play games more than most.
Captain Kirk and a Romulan commander engage in a deadly game of cat-and-mouse.
Harry Mudd appears for the first time, and we get more outdated gender politics.
Is this the most infamous episode of the original series?
Star Trek comes on the air with a salt vampire.