Comedians Little and Large, Channel 4's racing tipster John McCririckand 'Allo 'Allo's Vicki Michelle are this week's studio celebrities facing embarrassing revelations about themselves from their friends and families. Bobby Davro dresses up as a sheepdog and worries a lot of sheep into running in and out of pens. And a couple are persuaded to ballet-dance with the professionals, but they don't exactly blend into the background.