Canada's Smartest Person is a Canadian reality television competition series. Contestants compete in a series of different challenges based on American psychologist Howard Gardner's theory of multiple intelligences to earn the title of "Canada's Smartest Person." The first three seasons of the series were hosted by television personality Jessi Cruickshank, and the fourth by actor Paul Sun-Hyung Lee. Actor Jeff Douglas co-hosted the first season in 2014 with Cruickshank.