This aired in the 1960s, before people became cynical about Christianity, and he might have just been catering to his audience. But Roddenberry said of Christianity, "How can I take seriously a God-image that requires that I prostrate myself every seven days and praise it? That sounds to me like a very insecure personality."

He also made it known to the writers of Star Trek and Star Trek: The Next Generation that religion, superstition, and mystical thinking were not to be included. He even censured the writers when there was a mention of marriage in a script for an early episode of The Next Generation.

However he was an agnostic and was interested other people's experiences with religion. But, he "felt very strongly that contemporary Earth religions would be gone by the 23rd century."