Join Bertie as he struggles to escape from the clutches of Angela Nicely, looks after the elderly class hamster, ends up with a star solo trumpet performance, even though he's never played one before... Dirty Bertie - the boy with nose-pickingly disgusting habits - is back for another helping of comic chaos! Join Bertie as he struggles to escape from the clutches of Angela Nicely, looks after the elderly class hamster, ends up with a star solo trumpet performance, even though he's never played one before...