7.7 Pure Imagination: The Story of ‘Willy Wonka & the Chocolate Factory’ Nov. 13, 2001 Pure Imagination: The Story of ‘Willy Wonka & the Chocolate Factory’ IMDb: 7.7 2001 30 min 32 views Retrospective documentary on the making of the cult classic “Willy Wonka & the Chocolate Factory.” DocumentaryFantasy