Plot: This week on The Gadget Show, the stage is set and the house lights are down – but how will Ortis and Pollyanna fare when they hit the big stage at Gadget Show Live and put on a tech-inspired music performance in front of 5000 people? Also, Jon Bentley teams up with star of, ‘How Clean is Your House’, Aggie Mackenzie, to test the latest robotic vacuum cleaners. And, if you missed Gadget Show Live this year, we’re bringing you the highlights, including our top 5 gadgets at the show and highlights from the exhibition’s gaming and future tech zones