A mother who was baffled as to why her son was encountering 300 seizures a day eventually diagnosed his condition after watching an episode of Casualty.
Six-year-old Henry Overton had blank spells and was often walking on tiptoes for nearly a year before his parents realized something was seriously wrong.
But then Cheryl,37, and Craig Overton, 38, from Haswell, County Durham, watched an episode fo the BBC show where one of the characters started displaying the same symptoms.
