Mastermind viewers livid as BBC contestant stitched up with 'ridiculous and extraordinary' string of questions - but who's in the wrong?
Tuesday's semi-final episode saw contestants Ian Grieve, Jane Northen, Robin Dunford and John Robinson take their place in the chair.
Tuesday's semi-final episode saw contestants Ian Grieve, Jane Northen, Robin Dunford and John Robinson take their place in the chair.
