A sneak peek at the Britain's Got Talent: The Champions final sees Stavros Flatley performing with the judges for the first time ever.
The father and son - who announced it will be their final routine together as they decide to split - will manage to entice the panel to get involved and perform the Greek Zorba with them.
In a first seen clip, the entertaining pair made up of Demi Demetriou, 51, and Lagi Demetriou, 23, coax Simon Cowell, Amanda Holden, David Walliams and Alesha Dixon into linking arms and jigging to the music - as well as the audience.
The footage begins with Demi taking to the stage and bobbing along to Riverdance music.
His son then joins him where he encourages: "Let's do this Greek style."
He adds: "Teach them to dance!"
Demi then tells the studio audience and judges to join in as the famous Greek Zorba starts playing.
Getting in on the action the four judges dance along to the music as the crowd erupts.
It comes after Lagi announced he is leaving Stavros Flatley.
Speaking to The Sun , Lagi said: “We’ve done this for 10 years for a joke.
“We’ve done so many amazing things but what is there left to do? We’ve done the Royal Variety, we’ve played in China, Monaco - everywhere."
Lagi revealed that Simon Cowell had a special message for him.
He continued: "So when we got to The Champions, I thought this was the right time to leave. But Simon Cowell told me not to quit forever."
What started as a hilarious outtake on Michael Flatley's Lord of the Dance routine, has ended up being a very lucrative turn for the pair.
They first appeared in the 2009 series, which also saw the emergence of Susan Boyle and was won by acclaimed dance act, Diversity.
Since then they have reportedly coined in over £2million but Demi has admitted that that it was "a joke which has got out of hand."
He gave up running a restaurant after the success of the act and now spends most of his time in Cyprus, running a water sports business.
The addition of Samson though may breathe new life into the act, though Demi has warned that it won't be the same, as the newbie brings muscles to the duo.
Demi said: “He has a six-pack - I’ve given up getting one of those.”
Lagi and Demi will hope to finish their time together by scooping the top spot in the BGT Champions final.
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