Hillary Clinton, Donald Trump Clash in Final Presidential Debate

The Republican and Democratic presidential nominees faced off over Trump's claims of a rigged election, Clinton's leaked emails and more.
5:22 | 10/20/16

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Transcript for Hillary Clinton, Donald Trump Clash in Final Presidential Debate
The debates are done. Race for the white house in the home stretch right now and what a finish. Lots of fiery exchanges, the smoke electric by far a defiant Donald Trump would not commit to a bedrock American principle that the loser concedes to the winner in a presidential race. And also, George, they did not shake hands before or after the debate and the families were kept apart by debate organizers. So nasty and it was so uncomfortable at times but Hillary Clinton, take a look at her afterwards. Very happy with her performance. She was celebrating once it all ended and said overnight she remembers her first debate this election cycle a year ago and now that she's finished the last one she feels, quote, both relieved and very grateful. Donald Trump was surrounded by his family on the stage last night. Right after the debate they all came up to wish him well. He took to Twitter overnight, said he was pleased with the results, looking at some online polls he said gave him the advantage. We'll hear from his campaign manager kellyanne Conway coming up. Also Hillary Clinton's running mate and our whole political team. ABC's Tom llamas starts us off from the debate hall in las Vegas. Good morning, Tom. Reporter: George, good morning to you. An incredible night and that one incredible moment, Donald Trump refusing to commit to conceding if he loses the election in November sticking with his position that the election could be rigged. From the get-go, hostility. The candidates walking out on the stage refusing to shake hands. Then they let loose. The problem is you talk but you don't get anything done, Hillary. He is denigrating, talking down our democracy and I for one am appalled. Reporter: The flash point in the debate when trump was asked about his claims of a rigged election. I want to ask you here on this stage tonight, do you make the same commitment that you will absolutely, sir, that you will absolutely accept the result of this election? I will look at it at the time. I'm not looking at anything now. I'll look at it at the time. Reporter: Trump asked again would he suspend his campaign if he loses. Are you saying you're not prepared to commit to that principle. I will tell you at the time. I will keep you in suspense. Chris, let me respond to that because that's horrifying. You know, every time Donald thinks things are not going in his direction, he claims whatever it is is rigged against him. Reporter: Clinton then painting trump as a sore loser. There was even a time when he didn't get an Emmy for his TV program three years in a row and he started tweeting that the emmys were rigged. Should have gotten it. This is a mind-set. This is how Donald thinks. And it's funny but it's also really troubling. Okay. That is not the way our democracy works. We've been around for 240 years. We've had free and fair elections. We've accepted the outcome when is we may not have liked them. Reporter: Another turning point, trump's relationship with Russian leader Vladimir Putin. From everything I see has no respect for this person. Well, that's because he'd rather have a puppet as president of the United States. No puppet. You're the puppet. Reporter: Trump who said he loves wikileaks asked whether he condemns Russian characters allegedly hacking the Clinton's campaign e-mails. You condemn their interference. Of course, I condemn. I don't know Putin. I have no idea -- I never met Putin. This is not my best friend. Reporter: But trump using information from wikileaks to slam Clinton including purported criticisms from Clinton's own campaign chairman. Wikileaks just duly came out, John podesta said some horrible things about you and, boy, was he right. He said some beauties. Reporter: The candidates often cutting each other off. I sat in my apartment today on a very beautiful hotel down the street, known as -- Made with Chinese steel. Reporter: Even name calling? Such a nasty woman. Mr. Trump's -- He's unfit and proves it every time. You are the one that's unfit. Reporter: And trump dismissing a group of women that have come forward to accuse him of sexual misconduct as liars working for Clinton. I didn't even apologize to my wife who is sitting right here because I didn't do anything. I didn't know any of these women. I didn't see these women. These women -- the woman on the plane, I think they want either fame or her campaign did it and I think it's her campaign. Donald thinks belittling women makes him bigger. He goes after their dignity, their self-worth and I don't think there is a woman anywhere who doesn't know what that feels like. Reporter: The candidates also clashing over immigration. Now, I want to build the wall. We need the wall. One of my firstages will be to get all of the drug lords all of the bad one, we have some bad, bad people in this country that have to go out. We're going to get them out but we have some bad hombres here and we're going to get them out. When it comes to the wall that Donald talks about building he went to Mexico, he had a meeting with the Mexican president, didn't even raise it, he choked. Reporter: But trump take a tougher stance on immigration suggesting allowing Syrian refugees into the U.S. Would pose a danger. Wait till you see what happens in the coming years. Lots of luck, Hillary. Thanks a lot for doing a great job. Now, no spin room for the candidates after the debate. They both flew out. Hillary Clinton heading home and Donald Trump heading straight for the battleground state of Ohio where he'll host a rally later this afternoon.

This transcript has been automatically generated and may not be 100% accurate.

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