Kind of the opposite of Harry Met Sally

The premise of Harry Met Sally was that men and women can't be friends, that sex always comes into it. Here we had it turned inside out. They're been friends for 19 years and sex never came into it, until they decided to have a kid.

So which one is right?

Where's your crew?
On the 3rd planet.
There IS no 3rd planet!
Don't you think I know that?