years ago with the olympic team, but now it's much more meaningful. >> good line. you're doing good. >> i was doing good. he pulls away, i'm not letting go of his hand. that's really cool you're an olympic athlete. and i forgot he was the president. and i was like check out the gun show. >> i like it. >> he was so funny. he said, you know what? you need to check out michelle's gun show. game over. >> that was a good line. you didn't need a line. >> "underwater dreams," backing into this story. i love what we saw so far. tell us the story. sounds incredibly inspiring and, by the way, so timely. >> an incredible story and i feel so lucky to have had the opportunity to tell it. it's really about four undocumented boys in the middle of the desert who built an underwater robot out of sticks and gum and pvc bits from home depot and traveled to this