The big questions going into tonight's presidential debate: Will Mitt Romney give another energized performance? Will President Barack Obama dominate this time around? Will the moderator keep things civil? Join us for the debate as well as live-stream commentary before and after from ABC News and Yahoo!; breaking coverage of the night's most buzzy moments; a live poll gauging your reaction to what the presidential candidates are saying; and a live blog, anchored by Yahoo News deputy editor Chris Suellentrop, that you can join in, too. Get it all here.
You can also download Yahoo's IntoNow app on your tablet or phone to fact-check what the candidates are saying during the debate, and use our CapIt feature to write your own captions on photos from the evening.
Here's the full rundown so you know where to be, and what to expect, when you tune in:
8 p.m.: ABC/Yahoo! live-stream pregame show, anchored by Yahoo News White House correspondent Olivier Knox and ABC's Amy Walter and Dan Harris. They'll be joined by Yahoo! journalists including Holly Bailey, Chris Moody, Jeff Greenfield and Phoebe Connelly.
8:45 p.m.: Start of live blog, hosted by Chris Suellentrop and featuring Yahoo News columnists Walter Shapiro, Jeff Greenfield and Virginia Heffernan. (You can join below, too.)
9 p.m.: Live stream of the presidential debate from Hofstra University in Hempstead, N.Y., begins.
10:30 p.m.: Debate ends. ABC/Yahoo! postgame live stream begins, featuring Olivier Knox (in a co-hosting role once more) along with Jeff Greenfield and Phoebe Connelly.