Chris meets another of his famous friends, Olympic 100m champion Linford Christie, before getting in touch with his cultural side on a visit to the Saatchi gallery to see Chris Ofili's piece which portrays him alongside such black icons as Nelson Mandela. It's also Seb's birthday, and Karron hires a bouncy castle to make the day go with a swing : but has cause to regret letting his friends stay over as their shouting and screaming ensures no-one gets any sleep