Story : The Beginning - Background information on the start of the series itself. Interviews - Interviews of the house robot's "owners"/maintainers. We also get to look at the internals of the house robots as they explain how they operate. A Basic Robot Chassis - Chris Reynolds of BBC Visual Effects shows us a basic skid-steer robot chassis and explains how it works. New House Robots - Special previews of the first two new House Robots, which included concept drawings and an interview with Chris Reynolds.