Britain's Got Talent's judges are left astounded by an acrobatic act that prompts them to exclaim "Oh my God!" in the forthcoming episode of the show.

Quartet The Rafikiz audition for Simon Cowell, KSI, Alesha Dixon and Amanda Holden in Saturday's (March 7) edition of the ITV programme. A preview clip of the episode reveals the judges' jaws dropping as they witness the group's acrobatic performance.

The hopefuls, hailing from Tanzania, strip down to their jeans to showcase their talents on the Britain's Got Talent stage, with the panel captivated as they execute complex balancing acts.

At one point, The Rafikiz form a human tower, with the performer at the top upside down, balancing on his teammate's head, reports Belfast Live.

"That is some serious strength!" exclaimed Alesha as the audience erupted in cheers and both Amanda and KSI shouted: "Oh my God!"

"What?" asked presenter Dec, appearing flabbergasted as he watched from the wings alongside co-host Ant. "Wow!" Ant declared, as the performers transitioned to a one-handed lift. "It's like the Avengers or something!"

There was more to come, as one of the men held a stand in his mouth and hoisted another Rafikiz member into the air, using his teeth to support him.

The act received a thunderous applause as they concluded, with all the judges rising to their feet for a standing ovation.

"I am impressed!" KSI told them, as Amanda concurred: "It was so thrilling and so dangerous. I literally could not take my eyes off you. At the end I was covered in goosebumps. It was just amazing."

Alesha said she "loved it", whilst Simon told them: "It's a huge yes for me. We saw an act before from Canada. Literally, he was just jumping around on the trampoline. They blamed the size of the trampoline because we said no.

"And you don't have a particularly big staircase, but it doesn't matter. Because you put on a show."

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Britain's Got Talent airs Saturday 7pm on ITV1 and ITVX