When did The X Factor Season 12 Episode 8 air?
The X Factor Season 12 Episode 8 aired on September 20, 2015.

Tonight sees the launch of this year's supersized Boot Camp stage, kicking off in a grand country house.
Direct answers for episode-level questions and details.
The X Factor Season 12 Episode 8 aired on September 20, 2015.
This episode runs for approximately 60 minutes.
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