Teen pop singer Billie and actor Matthew Marsden are among the guests joining Zoe Ball and Jamie Theakston on the live entertainment show. Olympic sprinter Linford Christie is in the Hot Seat, and Toby Anstis meets hip-hop band PM Dawn in Electric Circus. There's also comedy from Gez Foster, Ben Ward, Richard Webb and Mr Blobby, new pop releases in Hit Miss or Maybe, and cartoon fun.