Mettle

Summary

Mike and Tim are through to the quarter finals of Robot Wars, but trouble is brewing as a rival team who didn't get through decide to sabotage their efforts. Meanwhile, Brian is invited to do an installation at an art gallery, and Marsha goes along to offer support and enjoy the free booze.

Guest stars

• Reece Shearsmith as Dexter
• Clive Russell as Damien Knox
• Joanna Scanlan as Tina
• Daniel Ainsleigh as Billy
• Kevin Cecil as Robot Club Leader
• Paul Mark Elliott as Marty Berghaus
• Tim Sampson as Chief
• Gemma Padley as Francesca
• Jonathan Ryland as Cromwell