You know, that "collect things" comment is something that I had thought about last night when seeing the previews for next week, but quickly discarded. Now, I'm not so sure. I thought that I was probably just too excited about getting ready to go see Star Wars and my mind just went some place that I thought might not be possible...
What if they're all in something like a giant bug jar? The boat is going to hit a glass wall at some point, and they'll have to turn around and come back.... The monster is just a giant Praying Mantis. The hatch is the exit back into the real world...
