Dara O Briain and Angela Scanlon's reboot of this popular series proved a hit with fans last year when it was brought back to the BBC after more than a decade off the air. If you haven't seen it before, it sees amateur and professional roboteers make their own robots to fight against each other. Tonight will be the first group heat, with eight teams facing off through two group battles in the arena for a place in the grand final. The series will also be bringing back the 'house robots', which will be sent to attack the competitors if they stray into the wrong part of the arena. Jonathan Pearce commentates on the action, while Professor Noel Sharkey, Dr Lucy Rogers and Professor Sethu Vijayakumar judge the operators' skills and select a victor in the case of an uncertain outcome.