On his death bed, The King orders his kingdom divided into two halves, the Kingdom of Jelly and the Kingdom of Cucumbers. Before the king even dies, Prince Frederick declares himself "King of Cucumbers" and Prince Marmaduke becomes the “King of Jelly”.
Unfortunately the movie Cucumber Castle is not yet available on HBO Max.
| Directing | Hugh Gladwish | Director |
| Writing | Maurice Gibb | Story |
| Writing | Barry Gibb | Story |
| Production | Maurice Gibb | Associate Producer |
| Production | Robert Stigwood | Executive Producer |
| Editing | David Woodward | Editor |
| Production | Mike Mansfield | Producer |
| Production | Barry Gibb | Associate Producer |
