Peter's ready to say it's obviously not him, they can think what they want about his fashion sense but it has nothing to do with any kind of dungeon except maybe the kinky kind. Then Daniel just owns the responsibility for their circumstances without being prompted and he's spared the self-justification and can skip right to the amused tittering.

"Where the hell do you even come from, because I thought I'd already met all the weirdos," he says. "We should go up, obviously. No windows means they've got us buried."

Logic!