"If it is, it's not like any rift I've ever encountered," Rafe admits.

There've been rabbit holes that take people to all kinds of worlds - and there's no telling what kind of world this is. "But ... the fact there's a red door that brings us back and forth whenever it wants? Makes me think it's kind of not. Maybe it's its own rift. One we've never seen before."

It's not that far out of touch with reality, is it? After everything he's seen, he wouldn't cross off that possibility just yet.