Jackanory Junior S01E19 - The Monster Crisp Guzzler

Angela Griffin reads Malorie Blackman's story of a little girl whose teacher turns into a dragon. Mira discovers on her first day at school that Miss Porter turns into a dragon every time she eats crisps. The headmistress is appalled and, fed up with her dragon antics, sacks Miss Potter. Mira is mortified. The next week, while on a class outing at the beach, Mira is stranded on a rock with the tide coming in fast. Only the Monster Crisp Guzzler can save her.