Live entertainment with music, competitions and guests, including Jonathan Ross with news of last night's Comic Relief events. Today sees the start of Science Week, and Zoe Ball and Carol Vorderman visit the Science Museum to preview some of the special events.
There's cartoon action with Rugrats and X-Men, the teen soap opera Clarissa Explains It All, Trev Neal and Simon Hickson go Bonkers, and the Leprechauns try to work their magic. Presented by Andi Peters and Emma Forbes.