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.
| Release Date | September 16, 1972 | |
|---|---|---|
| Status | Released | |
| Original Title | The Boy Who Turned Yellow | |
| Runtime | 55min | |
| Budget | $45,000 | |
| Revenue | — | |
| Language | English | |
| Original Language | English | |
| Production Countries | United Kingdom | |
| Production Companies | Children's Film Foundation (CFF) | |