hard. i knew he got hit. i asked him if he was okay, and he pulled his hand away from his head and it had blood on it. the whale tail had cut his head wide open. >> jim cosmic is stunned. >> i don't think he registered immediately exactly what had actually happened, but i knew he was in trouble because he went straight to the surface and he was holding the top of his head. >> morrow thinks the whale intentionally took aim at his partner. >> whales and dolphins, their tales go like this. and for him to suddenly go like this, it's a clear deliberate motion that he was trying to get rid of this pesky person, or probably in his eyes it was like a fly. we were bugging these animals because we were trying to get good close-up footage. >> weak, bleeding, and in a state of shock, cosmic swims to the surface and falls into the waiting boat. >> the tail. he just whacked me. >> morrow and the crew try to make sense of what happened. to this day, it's one of the scariest things morrow has ever seen. >> i think if that whale tail had been two or three inches