POSSIBLE LOST SPOILERS
I believe that the "new" alternate tiimeline I'm predicting we'll see in s6 is the ORIGINAL timeline, and the one seen in s1-5 is the result of actions taken in that timeline.
I believe that the "new" alternate tiimeline I'm predicting we'll see in s6 is the ORIGINAL timeline, and the one seen in s1-5 is the result of actions taken in that timeline.