The third and final presidential debate is due to kick off at 9pm ET tonight.
As Hillary Clinton and Donald Trump address each other directly for the last time before 8 November, millions of eyes will be watching.
We expect more insults and pointed barbs, with hopefully more than a sprinkling of policy substance. The stakes are high and there is arguably everything to lose.
What you need to know:
- Everything you need to know about Malik Obama, the president's half brother and Trump supporter
- Everything you need to know about Chris Wallace, the moderator and Fox News anchor
- How to watch the debate
- 5 things to expect from tonight's debate
When is the debate?
The debate will run from 9 to 10.30pm Eastern time on Wednesday 19 October, which is 2 to 3.30am on Thursday in the UK. It will take place in the University of Nevada in Las Vegas.
How can I watch it?
Those in the US can watch the discussion on major television networks as well as C-SPAN.
In the UK, Sky and the BBC are covering the event live. Online, American news outlets including NBC, PBS, FOX will live stream the debates on YouTube.
Who is moderating?
Fox News anchor Chris Wallace will be hosting the debate. Mr Wallace has a reputation for taking a combative approach to both Republicans and Democrats.
He has interviewed President Obama multiple times and is well known for his aggressive 2006 interview with Bill Clinton, where he repeatedly questioned him about whether he had done enough to capture Osama Bin Laden.
If you are not staying up late, you can watch the debate after the event on YouTube on The Independent site.
