When Gene Roddenberry created "Star Trek," he pictured a future dominated by science and human ingenuity--without a lot of religion to muddy things up. Oh, sure, Federation crew members met scads of religious sentient beings around the galaxy, but it turns out most were worshipping computers, power generators, or toga-wearing aliens. Roddenberry didn't place a lot of faith in faith.
via blog.beliefnet.com
This is a cool essay on BeliefNet about examples of the 10 Commandments in many of the Star Trek franchises.
I think the biggest reason I love Star Trek, especially the original series, is that it is such an optimistic viewpoint of the future. War is a thing of the past on Earth, and diseases can be cured by waving the medical Tricorder over the patient. As an optimist and believer in the good in people it is a refreshing show.
And I love the ethical allegories in many of the original series. Like the "Let That Be Your Last Battlefield" episode with the guys who are half black and half white who are fighting with the guys who are half white and half black on the opposite sides.
I can't remember which episode featured he two religious groups who have been fighting and destroying their planet. When asked what the difference is between the two groups the guy says that they celebrate the lord's day one day apart. Anyone remember which episode this is from?