Yvon of the Yukon is a cartoon television show developed by Studio B Productions and Corus Entertainment in association with Alliance Atlantis Communications. Based in the fictional town of Upyer Mukluk, the show premiered on YTV on 9 September 1999, and last aired on 22 November 2005. Yvon of the Yukon won the 2002 Leo Award for Best Youth or Children's Program or Series and Greg Sullivan was awarded the Best Director award for a Youth or Children's Program. The show captured both awards again in 2004. In 2005, Dennis Heaton won a Writers Guild of Canada Award for his work on the episode The Trouble With Mammoths.