like kaitlin is freaked out, she's clutching. michaela is kind of stunned but not upset. vivian and i are looking at each other like holy [ bleep ], what was that? what is going on? we're trying to make sense of it. >> the colossal wave had struck with unimaginable force leaving death and debris in its wake, but not all was lost. many people, whether by luck or quick thinking, had survived the tsunami's wrath once. but now there was a second wave heading straight toward them. >> we heard the rumble of another wave coming. >> and hearing that sound and looking out and knowing that, you know, another one could possibly come and then hearing people scream "another one, another one," i immediately sort of like kicked back into fight or flight.