Talk about teaching an old dog a new trick!
The Judges appear sceptical when these dancing dads appear on stage, but their hip hop and street dance routine leave them open-mouthed in amazement.
Even Simon is impressed, but will they be grooving on down to the live shows?
What do you mean you've never seen an avant-garde hair show!
"I don't know what that was," says Simon. And, errr, neither does anyone else judging by the puzzled faces in the audience.
We're not sure the Queen will ever get to hear George's tunefully-challenge performance of his original song The Blue Ballerina (to the tune of the National Anthem).
Odetta doesn't look too impressed either, and she's no dummy!
Tom dreams of dancing on the West End stage, but don't book your tickets just yet...
David seems to be enjoying his performance, but he could be the only one who is.
Simon sums it up rather succinctly: "It was some of the worst choreography I think we've had on this show for years."
Laurie started singing after suffering a heart attack, but it's taken him three years to persuade his sons to join him on BGT.
It's their first EVER public performance, but will they impress the Judges with their rendition of When Will I Be Loved by the Everly Brothers?
Tricia and her daughter Laura score top marks in the glamour stakes, but will their rendition of Madonna's Hanky Panky get a thumbs up, or a good spanky?
"It was a little bit uncomfortable... a mum and daughter singing about hanky panky," says Simon.
Alan and his 41-year-old daughter Amanda really look like they're enjoying themselves on the BGT stage.
Sadly, not everyone seems to be... could that be tumbleweed in the auditorium?
Schoolboy Jonathan Lutwyche has travelled all the way from Gibraltar to dance for the BGT Judges.
"THAT is how you do it - that was stunning," says Alesha, following his emotional performance.
But is it enough to bag him four yeses?