Common Sense Media says

In-depth look into outer space is family-friendly.

Users say

(1 review)
age 12+
Review this title!
Parent Written byMarinFan September 24, 2011

OK show, One episode is called "Sex in Space" So I put 12+

Some Educational Sex so it sometiimes is rated TV-14 but normally TV-PG, there is really no violence expcept many End of the Earth referances,
What other families should know
Educational value
Great messages
Great role models
Too much sex