(S01E19) It's an interesting premise. That we can have several different alternative realities, and if the brainwaves are hitting just right, we have the option to see more than one reality. Or in this case, more than one charred body.

I must say, Olivia handled it way better than I would have. I would have been FREAKING OUT and curled into a fetal position if the whole time-shift thing was happening before my eyes. But she took it all in stride, using it to help solve the case and find the twin sister in the lab. But oy ... what a shocker ...