Did You Know That? Third Edition
- Release Year
 - 1937
 - Runtime
 - 11m
 - Genres
 - Documentary
 
- Directed By
 - Gordon Sparling
 
This documentary is a compilation of unusual facts about Canada. It includes trains which travel in air, eels which swim to the market, and a ship that keeps afloat with its bottom and sides full of holes. Narrator Corey Thomson gives explanations in this educational short.