When did The X Factor Season 8 Episode 17 air?
The X Factor Season 8 Episode 17 aired on October 23, 2011.

Join Dermot O'Leary live for the results of the public vote. The two acts with the lowest number of votes must perform again in the final showdown. Then judges Louis Walsh, Dannii Minogue, Simon Cowell and Cheryl Cole will decide who stays to sing another day and who leaves the competition
Direct answers for episode-level questions and details.
The X Factor Season 8 Episode 17 aired on October 23, 2011.
This episode runs for approximately 60 minutes.
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