What if Total Drama Action and Total Drama World Tour never happened? 17 of the 22 TDI Contestants are confirmed to compete along with two new ones. Alejandro, Beth, Bridgette, Cody, Courtney, DJ, Duncan, Gwen, Harold, Heather, Izzy, Justin, LeShawna, Lindsay, Noah, Owen, Sierra, and Tyler are competing this season. Trent, Geoff, Katie, Sadie and Eva do not return to compete. Ezekiel was brought on to compete past the halfway point of the season (Episode 13). This story is preceded by Total Drama Island.
- Alejandro, Beth, Bridgette, Cody, Courtney, DJ, Duncan, Ezekiel, Gwen, Harold, Heather, Izzy, Justin, LeShawna, Lindsay, Noah, Owen, Sierra and Tyler were the nineteen contestants who competed.
- Ezekiel originally did not qualify, but he returned in Episode 13.
- There are two new competitors in Total Drama World Tour that have never competed in any previous season: Alejandro, and Sierra.
- The location for this season is the Abandoned Film Lot from Total Drama Action
- Trent is the only Screaming Gopher (from TDI) not to return to Total Drama Glee.
- Katie is the other only Gopher if the Katie-Izzy switch doesn't count.
- This is the only season that requires singing, or else the contestants would face instant elimination.