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It's on ...
In what may be a sign of things to come, there was no customary handshake between the two candidates.
For your viewing pleasure.
'It's locker room talk'
Moderator Anderson Cooper challenged Trump on the controversial tape in which Trump is seen making lewd comments about groping women. When asked if he had ever assaulted women, Trump responded, "no, I have not."
"This was locker room talk. I'm not proud of it. I apologized to my family and the American people. I am not proud of it. This is locker room talk."
He then pivoted to ISIS.
Cooper: did you boast about sexual assault— Adam H. Johnson (@adamjohnsonNYC) October 10, 2016
Trump: ISIS ISIS ISIS ISIS
Cooper: so you've never committed sexual assault?
"Can you imagine the people that are frankly doing so well against us with ISIS?"
"It's just words, folks. It's just words."
This is getting intense.
Let's take a GIF break.
Clinton admits mistake over emails, Trump vows to jail herIn one of the more tweeted-about exchanges of the night, Trump threatened to put Clinton in jail.
"You know it's just awfully good that someone with the temperament of Donald Trump is not in charge of the law in this country," Clinton said.
Trump shot back: "Because you'd be in jail."
Moderator Martha Raddatz then pressed Clinton on her use of a private email sever when Secretary of State. Clinton called it a "mistake" but addressed "misleading critics."
"There is no evidence that any classified information ended up in the wrong hands," Clinton said.
Trump then called for another apology, and said he'd appoint a special prosecutor.
29 minutes in, a policy question is asked
After spending nearly a third of the debate on mudslinging, Hillary Clinton and Donald Trump were asked a question about actual U.S. policy: healthcare.
On the Affordable Care Act, an audience member asked: "What will you do to bring the costs down and make coverage better?"
Clinton answered by saying she'd keep the existing law, but expand on it. "We have got to get costs down, we have to provide some additional help to small businesses so that they can afford to provide health insurance," she said.
Trump said he'd repeal Obamacare, but was unclear on how he'd replace it.
"You're going to have plans that are so good, because you're going to have so much competition in the insurance industry once we break out the lines and allow the competition to come," he said.
Tonight's Abe Lincoln reference, explained
Clinton invoked the country's 16th president when answering a question about a WikiLeaks email release. In it, she purports to say in politics you need "both a public and a private position."
"That was something I said about Abraham Lincoln after having seen the wonderful Steven Spielberg movie called Lincoln. It was a master class watching President Lincoln get the Congress to approve the 13th amendment," Clinton said.
Trump accused Clinton of lying. Now she's blaming the lie on the late, great Abraham Lincoln," Trump said. "Honest Abe never lied. That's the biggest difference between Abraham Lincoln and you."
Fact check: Trump's claim on taxes
"Our taxes are so high, just about the highest in the world," Trump said.That's not right.
The Pew Research Center examined how Americans' tax bills compare to other countries. It found, compared to other developed countries, U.S. taxes are low.
Finally, a question on Syria
Clinton, who while Secretary of State favored stronger action against Syrian dictator Bashar al-Assad, reiterated her call for a no-fly zone in Syria to protect civilians.
That puts her at odds with the Obama administration, which has said repeatedly a no-fly zone is off the table.
On Syria, Trump distanced himself from his running mate, Mike Pence. During the vice presidential debate, Pence called for "civilian safe zones" and also said the U.S. should be prepared to strike Syrian military targets.
"We haven't spoken and I disagree with him," Trump said during the debate.
A Muslim American asked Trump about Islamaphobia
When asked about rising Islamphobia, he directed his answer back to the Islamic community
"You're right about Islamophobia, and that's a shame. One thing we have to do is we have to make sure that because there is a problem, whether we like it or not and we could be very politically correct but whether we like it or not, there is a problem and we have to be sure that Muslims come in and report when they see something going on. When they see hatred going on, they have to report it."
That 5:30 a.m. tweet
Trump denied ever sending out a tweet that encouraged his followers to find a "sex tape" belonging to former Miss Universe Alicia Machado.
Here is that exact tweet.
The toughest question of the night
Asked to name something positive about one other, Clinton says "his children.""His children are incredibly able and devoted and I think that says a lot about Donald," Clinton said.
Trump said "she's a fighter." "She doesn't quit. She doesn't give up. I respect that. I disagree with much of what she's fighting for. I do disagree with her judgment in many cases. "But she does fight hard, and she doesn't quit. And she doesn't give up, and I consider that to be a very good trait.