Today's guests include American rock singer Jon Bon Jovi and his guitarist Richie Sambora, and British pop group the Lightning Seeds. Will Travers, wildlife conservationist, is in the Hot Seat, and there's another chance to hear and vote for the eight songs from last night's Great British Song Contest Semi-final. Trev and Simon sail the Video Galleon, Mr Sage and Mr Onion go crazy, Clarissa Explains It All in another adventure, and there's cartoon action with Rugrats and Spiderman. With Andi Peters and Emma Forbes.

Today's guests include Jez Nelson, who has news of the Tomorrow's World Megalab 96 experiment, which takes place on Friday at 7.30pm on BBC 1, as part of National Science Week. Plus, music from Menswear, Trev and Simon shop at Robert's Records, Clarissa Explains It All, and cartoon fun and action with Rugrats and Spiderman.