The Lost 15 Boys: The Big Adventure on Pirates' Island.

The film is based on the Jules Verne novel "Adrift in the Pacific: Two Years Holiday" published in 1888. A group of youngsters find themselves adrift at sea, and after a terrible storm they are cast upon a deserted island, where they must learn to get along with each other in order to survive. On this occasion, the human protagonists are replaced by cats.