Total Drama: Revenge of the Island is the fourth season of the series. The series' extension was commissioned by Teletoon from the producers, Fresh TV Inc.[26] It premiered in Canada on January 5, 2012 and in the United States on June 5, 2012. This season returns to Camp Wawanakwa (the original setting of the first season), but no contestants from previous seasons return. Instead, a new set of thirteen contestants compete, which are Anne Maria, B, Brick, Cameron, Dakota, Dawn, Jo, Lightning, Mike, Sam, Scott, Staci, and Zoey. However, some characters from the original cast still have cameo appearances throughout the season. Also, due to the island being abandoned for the past two seasons, Chris had lent the island to a biohazardous waste dump company, causing the island to turn radioactive. This means that causes of radiation and toxic waste is the main theme for this season.