In this episode: The unsightly face of social evolution; vestigial destiny of the digitus minimus manus; Karl has Google on the brain; Karl's starter for 10; Karl gets disorientated; Forwards looking foreword - teeth, pants, specs and predictive spelling; Steve's plans for the End of Days; Chaos theory reinvented; Ambitions unfulfilled; Karl takes the path less trodden; Shop Idol; and Britain's Got Chiropody