Robot Wars: Episode 4

Dara O Briain and Angela Scanlon present the next stage of the contest, with robots Supernova, Frostbite, Wyrm, High 5, Crushtacean, Ironside 3, Pulsar and Apex battling it out through a series of nine face-offs. Professor Noel Sharkey, Dr Lucy Rogers and Professor Sethu Vijayakumar judge the outcomes, while Jonathan Pearce provides running commentary on the action