In this special episode, Bafta-nominated comedian Iain Stirling takes on the role of Stirling Holmes! As the world's greatest detective he is trying to solve the strange case of the missing homework, which has been stolen by evil genius Professor Dogiarty. This one-off show features the very best unseen material from the series, with a mix of celebrity and junior panellists answering off-the-wall questions and taking part in silly studio games. It's all linked together by Holmes and his sidekick Doctor Smashson trying to track down just what has happened to the missing homework. Can they crack the case together?