(CNN) Much is up in the air for the candidates heading into the first Democratic debate — questions over Hillary Clinton's use of a private email server during her tenure as secretary of state, the rise of Bernie Sanders and the possible late entry from Joe Biden.

CNN's Democratic debate could bring these issues, and more, to the forefront as voters consider who should be the party's nominee in the next presidential election.

With that in mind, here's everything you need to know about CNN's upcoming Democratic presidential debate:

When is the Democratic debate?

CNN's coverage of the first Democratic presidential debate of the 2016 election cycle will kickoff at 8:30 p.m. ET on Tuesday, October 13, from Las Vegas. You can watch it on CNN or at CNNgo