Thornberry to the Rescue

"Thornberry to the Rescue" is the first segment of the fifty-fourth episode of the Adventures of the Gummi Bears which aired on October 19, 1990.

Plot
In his clumsiness, Sir Thornberry inadvertently releases the Spinster, an old menace of the Gummi Bears, and now he is his friends' best hope of escaping this monster before it makes dinner out of them.