There's a whole world under the surface and only Ron has any idea about it.

One human is the only permanent occupant of a station located on a vast empty plain of the moon. His companions are an emotionless lizard-like alien species who have developed a highly advanced means ...

Star Trek is often seen as the first fully-fledged sci-fi TV show of any great merit, but this forgotten series was actually ahead of it by 3 years.