adam britton a whole new understanding of crocodiles and their underwater world. >> britton: you're iner. you've got the current washing over you. you can feel the changes in temperature. and you suddenly think, "this is what it's like to be a crocodile. this crocodile is... is experiencing these same things." >> cooper: britton has actually begun to take d.n.a. samples from crocodiles underwater, cutting off pieces of their tails. and, incredibly, they don't seem to mind. diving with nile crocodiles is only possible in the winter months when the water is chilly and the animals are sluggish. these cold-blooded reptiles are far too dangerous to dive with in the summer. >> bestelink: the crocs are much more active. they're much more inclined to want to predate. you know, i don't... i don't... >> cooper: predate? attack? >> bestelink: attack, yeah. they... they... they want to go and eat something. >> cooper: so, two months from now, three months from now, you would not dive in these waters. >> bestelink: no. no. no, and i don't. i don't want to die. make no mistake, i do this because i g

here's the very talented hayden panettiere with connie britton in "nashville."ything okay at home? >> well, marriage is complicated. >> i heard your husband's campaign got pretty ugly. >> oh, follow politics, do you? >> just the scandals. [ cheers and applause ] >> jimmy: yeah. maybe. maybe, just the scandals. >> maybe. >> jimmy: hayden panettiere everybody. "nashville" airs wednesday's at 10:00 p.m. on abc. justin timberlake performs next! here he is right now in the bud light platinum suite with his band! ready to go! ready to go! oh, oh! ready to go! oh! [ cheers and applause ] ♪ fifteen minutes could save you fifteen percent or more on car insurance. yep, everybody knows that. well, did you know the ancient pyramids were actually a mistake? uh-oh. geico. fifteen minutes could save you...well, you know. ♪ any day can have a magnum moment. vanilla bean ice cream, rich caramel sauce and thick belgian chocolate. now available in two sizes. and thick belgian chocolate. all this produce from walmart and secretly served it up in the heart of peach country. it's a f

here's the very talented hayden panettiere with connie britton in "nashville."you hate me. >> i only hate sunburns and hangovers. this is just business. >> everything okay at home? >> well, marriage is complicated. >> i heard your husband's campaign got pretty ugly. >> oh, follow politics, do you? >> just the scandals. [ cheers and applause ] >> jimmy: yeah. maybe. maybe, just the scandals. >> maybe. >> jimmy: hayden panettiere everybody. "nashville" airs wednesday's at 10:00 p.m. on abc. justin timberlake performs next! here he is right now in the bud light platinum suite with his band! ready to go! ready to go! oh, oh! ready to go! oh! [ cheers and applause ] ♪ fifteen minutes could save you fifteen percent or more on car insurance. yep, everybody knows that. well, did you know the ancient pyramids were actually a mistake? uh-oh. geico. fifteen minutes could save you...well, you know. ♪ any day can have a magnum moment. vanilla bean ice cream, rich caramel sauce and thick belgian chocolate. now available in two sizes. and thick belgian chocolate. all this prod