Are You Smarter than a Canadian 5th Grader? is a Canadian English television game show, which began airing on October 25, 2007 on Global. The show, based on the U.S. game show Are You Smarter than a 5th Grader?, was hosted by Canadian comedian Colin Mochrie. Five episodes were produced, and aired Thursdays at 9 p.m. ET. Contestants included a lawyer, a professor, a nuclear engineer amongst others. A veterinarian, Andrew Oster, from Midland, Ontario was the show's biggest winner garnering $300,000 (CDN), tax-free; his prize was the highest sum in Canadian game show history.