It's all coming together on 'Fringe' (Thu., 9PM ET on Fox). Ok, not really. In fact, it's not coming together at all. Tonight's mid-season premiere answered a few questions, but posed a whole lot more, which is just the way we like it.

We all knew that Peter died as a young boy, and we also knew that Walter traveled to the alternate universe, a.k.a. the Walterverse, to get the other Peter. We just didn't know the details of that fateful event until tonight, including why Walter knew he could never take alt-Peter back to his real home again.

Watch the video after the jump.It's all coming together on 'Fringe' (Thu., 9PM ET on Fox). Ok, not really. In fact, it's not coming together at all. Tonight's mid-season premiere answered a few questions, but posed a whole lot more, which is just the way we like it. We all knew that Peter died as a young boy, and we also knew that Walter traveled to the alternate universe, a.k.a. the Walterverse, to get the other Peter. We just didn't know the details of that fateful event until tonight, including why Walter knew he could never take alt-Peter back to his real home again.