One of the main themes of Star Trek has always been "new life and new civilizations." At least, to the viewers. To that end we've seen countless aliens. Why depict an alien culture we've seen in an earlier epiewhen we can create a new alien of the week?
I feel this has resulted in numerous underdeveloped aliens and cultures. There are many episodes where the uniqueness of the alien species was really unimportant to the plot. For example, in TNG's "Aquiel" introducing a new species was irrelevant to the story and Aquiel could easily have been Andorian or Tellerite. The same is true with TNG's "Half a Life." The euthanasia of elderly adults could have worked just as well had Timicin been Deltan.
I feel the "alien of the week" mindset resulted in underdeveloping many previously established species. What about you? What other examples can you think of that could have used pre-existing alien species and resulted in richer development of the already known Star Trek universe?
I feel this has resulted in numerous underdeveloped aliens and cultures. There are many episodes where the uniqueness of the alien species was really unimportant to the plot. For example, in TNG's "Aquiel" introducing a new species was irrelevant to the story and Aquiel could easily have been Andorian or Tellerite. The same is true with TNG's "Half a Life." The euthanasia of elderly adults could have worked just as well had Timicin been Deltan.
I feel the "alien of the week" mindset resulted in underdeveloping many previously established species. What about you? What other examples can you think of that could have used pre-existing alien species and resulted in richer development of the already known Star Trek universe?