This debate will start at 8pm EST. From CNN's website:

It will air exclusively on CNN, CNN International and CNN en Español, and will stream on CNN.com's homepage and NYTimes.com's homepage. The debate will also stream live on the following Facebook Pages: CNN, CNN International, CNN Politics, CNN Replay, AC360 and Erin Burnett OutFront.

In addition, the debate will be available across mobile devices via CNN's and New York Times' apps for iOS and Android, via CNNgo apps for Apple TV, Roku, Amazon Fire, Chromecast and Android TV, SiriusXM Channels 116, 454 and 795, the Westwood One Radio Network and National Public Radio. You can also ask Amazon's Alexa to play the debate, and the voice-controlled assistant will play the audio of the debate.

• Direct link to the CNN livestream
• Direct link to the New York Times livestream