Twelve candidates debated for three hours last night, so we can’t blame you if it was hard to keep up. Here is a look at some of the biggest moments.

You can also read a full recap of the debate here.

Biden defended his son

“He is going after me because he knows if I get the nomination, I will beat him like a drum.” — Joe Biden

Former Vice President Joseph R. Biden Jr. said multiple times that neither he nor his son Hunter had done anything wrong with regard to Hunter Biden’s business dealings in Ukraine, denouncing allegations from President Trump that have led to an impeachment inquiry. Read more here.

Age, and that heart attack

“We are going to be mounting a vigorous campaign all over this country. That is how I think I can reassure the American people.” — Bernie Sanders

Two weeks after he had a heart attack, Senator Bernie Sanders fielded a direct question about how he would convince voters of his strength and stamina. Mr. Biden and Senator Elizabeth Warren received similar questions. Read more here.

Harris on reproductive rights

“Women will die because these Republican legislatures in these various states who are out of touch with America are telling women what to do with their bodies.” — Kamala Harris

Senator Kamala Harris expressed anger at the lack of abortion-related debate questions up until that point, and Senator Cory Booker backed her up, saying women “should not be the only ones taking up this cause and this fight.” Read more here.