'X Factor': Live Episodes Kick Off on Halloween Night

X Factor Judges PR Purple P 2012

With the 2012 World Series wrapped up, Fox has announced that The X Factor will kick off live episodes starting Wednesday, Oct. 31.

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On Halloween night, 16 acts will take the stage for a special two-hour-and-seven-minute episode. It will also mark the first day on the job for co-hosts Khloé Kardashian Odom and Mario Lopez, who will join judges Simon Cowell, Demi Lovato, Britney Spears and L.A. Reid live from Los Angeles.

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The following night, Nov. 1, the top finalists will be revealed and America will vote on who should return the next week.

Tonight, Fox airs an encore episode of The X Factor featuring the last of the "Judges’ Homes” rounds.

Twitter: @THRTV