Ant and Dec get up to MISCHIEF while TIME TRAVELLING MAGIC wows the Judges | Episode 2 | BGT: UNSEEN 

Episode Two of BGT: Unseen brings MAGICAL time travel with Bill Cheung, modern moves from Prodijig and Aaron Frith gives a TOXIC twist to a Britney classic.
Oh and you'll catch Ant and Dec playing a HILARIOUS prank on David and Simon!
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