With the field pared down to two Democratic presidential candidates, former Secretary of State Hillary Clinton and Vermont Sen. Bernie Sanders square off Thursday night for a head-to-head debate on MSNBC.

The debate, set for the University of New Hampshire in Durham, begins at 9 p.m. ET. It will be moderated by NBC News’ Chuck Todd and MSNBC’s Rachel Maddow.

Here is what you need to know about how to watch and be a part of the experience: