This is an Underrated Star Trek episode. If I watched it in another time period, I would not understand its value. However, there is currently a worldwide pandemic. In a way befitting a science fiction; It has shown very well what will happen in a pandemic. The process is lifelike, just faster. With the importance of the situation, the tempo in the episode was successful. With real life experience, I was very excited while watching the episode. An important detail was the unexpected spread of the virus. As a result, Star Trek is always one step ahead.