>> super cool. >> we had super high seas. we had awesome navy escorts that took us out. it was about an hour and i fell like we were going to narnia in the middle of the ocean and there were string rays passing by and then you meet fabien in this habitat. incredible experience. >> i know you can only stay down there for so long. i did this google hangout with fabien not too long ago and at one point they lost air conditioning. here you have scientists huddling together and then female scientists came down from m.i.t. they were sort of nervous of -- it's a small space. let's be real. >> oh, my gosh. it's a small space. they are comparing it to the size of a small school bus. i'm surprised that the bigger story wasn't that they killed one another. their bunkbeds are stacked on