Chuck's run into a few people by this time. He's still not entirely convinced he isn't wondering in circles, but he figures if he keeps coming across other people, he can't be too far off from the correct path, right?

Or, at the very least, he's not wondering in circles alone.

He gives a short laugh at Dean's commentary, returning his greeting grin. "Yeah, no, this isn't exactly the same thing. At least," He frowns. "I don't think it is."

Gabriel had dropped the Winchesters into various television shows once. This wasn't the same thing, not by a long shot, but the scientists like to do their experiments, and that was almost similar, in a way. Even these tunnels had to be an experiment. The lack of powers were proof enough.