watch 01:51 The Loop (TV) Do you like this video? O Canada is the national anthem for Canada. It was sung by Ralph Wiggum in Das Bus and was later sung in The Bart of War. It was also heard instrumentally as well. Retrieved from "https://simpsons.fandom.com/wiki/O_Canada?oldid=834170" Categories: Songs Songs by Homer Songs by Bart Songs by Milhouse Songs by Horatio McCallister Songs by Sideshow Mel Songs by Kirk Van Houten National Anthems Songs by Martin Songs by Nelson Songs by Database Songs by Jimbo Songs by Ralph Wiggum Songs by Cosine Season 9 songs Season 14 songs Community content is available under CC-BY-SA unless otherwise noted.