John and his class visit the Tower of London, where he loses his pet mouse. He falls asleep during a lesson on electricity, but with some help, he learns about it, invades the Tower, and saves his pet.

• DirectorMichael Powell
• Release16 September 1972
• Genre
  Family / Science Fiction
• Duration0h 55m
• Budget$45,000
• Revenue?
• Rate
  

  5.4
  11 reviews
• Productions

  Children's Film Foundation (CFF)