Once Upon a Rainbow
- Episode aired Mar 12, 2020
- TV-Y7
When Grumpy mysteriously loses his blue color in a far-off area of the Silver Lining, the Bears track down the cause.When Grumpy mysteriously loses his blue color in a far-off area of the Silver Lining, the Bears track down the cause.When Grumpy mysteriously loses his blue color in a far-off area of the Silver Lining, the Bears track down the cause.