If it gets too much more complicated, I'm going to stop watching!

Seriously, there are a lot of loose ends and paths to nowhere. However, if you go back to the pilot and start with Red's famous quote, "Everything about me is a lie," the whole imposter idea starts to make sense.

Please also know that some bloggers think the current version of Red is actually Liz's mom, after gender re-assignment surgery! And I don't buy that one, at all, but it is out there.

These are just theories. We'll know when the writers know.