Among today's celebrity guests are pop star Robbie Williams , and EastEnders' writer Tony McHale is in the Hot Seat. Including Transmission Impossible with Trev Neal and Simon Hickson , this week's Electric Circus, and more teenage problems solved in Clarissa Explains It All. Plus cartoon action with Rugrats, Eek the Cat, and Terrible Thunder Lizards. With Zoe Ball and Jamie Theakston.