Question: Is there any reason they have to go to that particular time to start their colony? Why not say 64 million years ago? Since it's after the dinosaurs, but before the evolution of sabertooths and mammoths? It'd be a lot safer.
dizzyd
18th Mar 2012
Chosen answer: Because that's where the rift led. They don't have a time-travel machine, capable of taking them wherever they please - all they have is a hole in time leading to one single time period.
Tailkinker ★