The Knights of Gummadoon
- Episode aired Dec 5, 1987
- TV-Y
- 23m
The Gummi Bears rediscover the ancient city of Gummadoon, which appears for one day every 100 years.The Gummi Bears rediscover the ancient city of Gummadoon, which appears for one day every 100 years.The Gummi Bears rediscover the ancient city of Gummadoon, which appears for one day every 100 years.