Re: Why did the Space Rangers need to return to Earth?
 

The parallel universe idea doesn't sound very plausible. There is too much evidence that Space and LG are all in the same timeline.

Re: Why did the Space Rangers need to return to Earth?
 

It actually would make a good fan fic. I would love to read one tackling this subject.

Re: Why did the Space Rangers need to return to Earth?
 

Yes, that would be a good idea for someone to write.

Re: Why did the Space Rangers need to return to Earth?
 

There welcome to do it. It wouldn't really solve the mystery though. As fan fics aren't canon. Which is why I don't usually read them or hate to include them in canon debates. But I am sure people that like fan fics would like that. And I guess there is the fandom section for stuff like that.