. >> reporter: after much discussion -- >> the first place winner, sandra whiteness from yucca valleythink it was very popular with the crowd. >> reporter: while cat didn't place this time -- >> third place, alisa kasiba. >> reporter: it was alisa who got to go home with some hardware. >> i thought her beetlejuice looked great. >> we placed third at super zoo. >> were you happy with the result? >> it was such an honor to be in the top three. >> you want to come say hi? >> reporter: wide eyed and thrilled after a third place finish? it's still business as usual back in illinois. >> so adorable. >> reporter: when the pups are not on stage, they're just like any other dog. >> what do these guys like to do? >> ditto's favorite thing is to play ball. she loves catch. >> what do you guys think? have you ever seen dogs that look like this before? >> no. >> first time. >> reporter: for "nightline," i'm ashan singh in elgin, illinois. >>> and next, celebrating one of our own. the incomparable robin roberts. ...she was worried we wouldn't be able to keep up. course we can. what couldn't keep up

jamie yuccas has this story from napa valley. >> while a red wine should be aged in barrels, these cabernete. andy has been growing grapes for some of the biggest names in california wine country sinc 70s. how much cab do you drink a day? >> breakfast, lunch or dinner? >> reporter: but he's concerned about his harvest. >> we have bugs we never heard of. we have diseases we fore. beusoft. the w w >> reporter: you're fighting against climate change. >> yes. >> reporter: here in napa valley, cab is king. it's also why researchers are trying to save it, with 11 different projects all over the area. you want to keep the wine quality? >> that's right. we want to keep it delicious and cost worthy of that $300 bottle. >> reporter: they are investing tens of millions of dollars, partnering with u.c. davis, for the worth's most ambitious cabernet root stock and vin trial. the area has heated up by nearly two degrees a year. but it's enough to eventually make cabernet grapes extinct. >> we can't say we'll think about it 20 or 30 years from now. you have to take action now. >> reporter: what does it me