Understanding the Law: The Worm -- Film Description:
"On a hot and thirsty day, Mrs. Popcorn is shocked to discover a worm in her canned drink. When the beverage company refuses to accept the blame, she's outraged! An intrepid consumer, Mrs. Popcorn takes the company to court for negligence. Understanding the Law: The Worm is episode two in a series of short films designed to demystify everyday aspects of Canadian civil law. Wry humour and a whimsical style make this informative series lively and memorable."
-- National Film Board of Canada

Source:
National Film Board of Canada. "NFB -- Understanding the Law: The Worm" National Film Board of Canada. http://onf-nfb.gc.ca/en/our-collection/?idfilm=33885.