(S01E20) Oh my. I wondered how they would wrap things up (or not wrap things up) in the season finale, and they definitely delivered the goods. It's no big shocker that we're dealing with an alternate reality; most of us probably saw that coming. But there was that one moment that made me gasp.

We knew Walter had done experiments on Peter when he was a kid, but it never occurred to me that Peter might have died -- or maybe it was just buried in the deep recesses of my brain. When Walter visited the graveyard, I fully expected to see his wife's name on that gravestone. Instead, we saw Peter's.