Walt Disney was actively working on the animated feature film The Jungle Book (1966) when he passed away.
Walt Disney's Final Animated Project
The Jungle Book, associated with the year 1966, holds the significant distinction of being the last animated feature film that Walt Disney personally produced. He was deeply involved in its development, guiding the creative direction and production process. Despite his extensive involvement, the film was not quite finished at the time of his death.
The End of an Era
In the fall of 1966, Walt Disney received a diagnosis of advanced lung cancer. He died on December 15, 1966, at the age of 65. His passing occurred during the production of The Jungle Book, leaving behind a monumental legacy in animation and entertainment. The film was subsequently released in 1967, serving as a lasting testament to the foundational work and vision he had imparted.