The Boy Who Turned Yellow (1972)

When John meets an alien who feeds on electricity, things start to go wrong

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.

Genres: Family, Science Fiction

Stars: Mark Dightam, Robert Eddison, Helen Weir, Brian Worth, Esmond Knight