6.5 / 10
(2 votes)
An elderly English doctor and his 14-year old American nephew go on a perilous journey to Africa in an hot air balloon with an African guide, to retrieve a precious diamond from the top of a volcanic rock, as a gift for Queen Victoria.
Australia,
United States of America
Animation,
Adventure
60 minutes
1977
Chris Cuddington
Hanna-Barbera Australia