BRITAIN'S Got Talent host Ant McPartlin is seen begging an act to stop on tonight's episode of the show.
The 46-year-old star, best known for mucking about in the wings during performances, asks acrobats the 'Freaks' not to continue.
The act sees black-clad performers using girls as skipping ropes before flinging them about the stage.
They then created a human tower by standing on each other's shoulders and it became apparent they were going to throw one of the girls to the top.
A preview clip shows Ant looking on, shouting out of the wings: "Oh no no no no."
Undeterred the girl is propelled many feet into the air where she is caught by the performer at the top of the 'tower'.
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The judges are seen breathing a sigh of relief the she didn't fall - but that turns out to be short-lived as she is thrown back down.
The clip, which will air when Britain's Got Talent returns to ITV tonight, ends with judge Amanda Holden covering her face in horror and screaming: "Ohhhh."
However, some fans compared the trouble, who call themselves The Freaks, to a previous winner of the show.
One wrote: "That’s just like the previous gymnastics act Spellbound nothing new."
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Spellbound won the fourth series of Britain's Got Talent back in 2010, picking up a £100,000 and a spot on the Royal Variety Performance.
Elsewhere on tonight's show, Alesha Dixon storms off after being covered in cockroaches.
A spooky witch act terrifies the star and Amanda when she thrusts an apple in their face - which then explodes into a cluster of creepy crawlies.
The women dash away from the desk and Alesha, 43, refuses to return from her safe spot in the theatre’s stalls.
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