Matt and Alex are joined by the ingenious Dara O Briain for a chat about his Science Club. Also, on the eve of the Children in Need 411-mile Rickshaw Challenge, there's a look at how Team Rickshaw's nerves are faring, live from Llandudno. Lucy Siegle helps a family track down the furniture they bought from the Olympic Park and Gyles Brandreth meets a man who once lost his bear in Perth.