9 p.m. ET (We know you were wondering).

Hillary Clinton and Donald Trump debate Wednesday night for the last time before Election Day in Las Vegas.

Here's what else you need to know to get caught up ahead of the third and final debate:

• These are the guests of the candidates, including a Trump tormentor and President Obama's half-brother, Malik.
• Here are 4 things National Political Correspondent Mara Liasson is watching tonight.
• Meet families in Washoe County, Nev. — one of the most hotly contested battlegrounds in one of the most important swing states this year.
• Here's one controversy over land you may not hear about tonight.
• Here's our latest battleground map, which shows Hillary Clinton winning. And it's not even close.
• And in an election that's had a lot of noise, here's where the candidates stand on the issues.

When the debate starts, you can watch follow our live fact check or watch the debate at NPR.org. And Thursday morning, look for a new podcast from the NPR Politics crew.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.