Join Bertie as he attempts to reveal grumpy Mr Grouch as a vampire, finds himself modelling the latest catwalk fashions and gets a serious scare-cut at the barbers. Dirty Bertie - the boy with nose-pickingly disgusting habits - is back for another helping of comic chaos! Join Bertie as he attempts to reveal grumpy Mr Grouch as a vampire, finds himself modelling the latest catwalk fashions and gets a serious scare-cut at the barbers.