Originally Posted by GatorB

Because it's stupid. if you are going to go into the past you don't go 85 million years. I'll take my chance sin the future as miserable as it is than with all the crap that existed 85 million years ago. The creators of the show just pick 85 million years ago so they could show dinosaurs. Oh by the way doesn't matter if man got his second chance because 20 million years later the huge asteroid his earth and kills everything. Might exaplin why they didn't find the stupid probe.