The Gadget Show Season 26 Episode 5 Episode 5 ( Air Date 2017-11-03 ) Genre News, Documentary category. Overview "Three model testers try out the latest high-spec toothbrushes under the watchful eye of Britain's Young Dentist of the Year, before Jon Bentley puts a £20 budget model through its paces to see whether everyone is simply pouring money down the sink. Recent developments in battery technology have resulted in a glut of brand new e-bikes, so the G Team rides three of the newest models to find out which one the canny commuter consumer should choose. Plus, Ortis Deley sees what the future holds at the Virtual Reality Show in London.".