7.8 Pure Imagination: The Story of ‘Willy Wonka & the Chocolate Factory’ Nov. 13, 2001 Pure Imagination: The Story of ‘Willy Wonka & the Chocolate Factory’ IMDb: 7.8 2001 30 min 75 views Retrospective documentary on the making of the cult classic “Willy Wonka & the Chocolate Factory.” DocumentaryFantasy