Fluttershy. Could this situation get any more adorable? Okay. Either Crichton was right, or Jack has completely snapped and started hallucinating. At this point, he isn't sure which idea is more terrifying.

"Well, it's nice to meet you, Fluttershy. It might be a little hard to explain what's just happened. Where were you right before this?" Give him a little bit of a basis to work with, so he can figure out how simplistic he needs to make his explanation.