When did The X Factor Season 9 Episode 15 air?
The X Factor Season 9 Episode 15 aired on October 14, 2012.

Group Performance: "Somebody That I Used to Know" Musical Guests: Rebecca Ferguson ("Backtrack") and Taylor Swift ("We Are Never Ever Getting Back Together")
Direct answers for episode-level questions and details.
The X Factor Season 9 Episode 15 aired on October 14, 2012.
This episode runs for approximately 60 minutes.
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