User blog:TDADJ/Phakitew Island -SPOILERS INSIDE-

http://www.scribd.com/doc/172602730/Total-Drama-Phakitew-Island-Season-5-Ep-105-Uh-So-This-is-My-Team-Act-II

With this we have information on the characters and the first challenge. We also have two teams The first/second challenge is building a fort.
 * Sky
 * Dave
 * Ella
 * Sugar
 * Leonard
 * Shawn
 * Beardo
 * Topher
 * Max
 * Jasmine
 * Samey
 * Amy
 * Rodney [or Wreck-it Ralph]
 * The girl with glasses and bun [unnamed]
 * Team Maskwak [Sky, Dave, Ella, Sugar, Leonard, Shawn, and Beardo]
 * Another team [mentioned once don't remember.] [Topher, Max, Jasmine, Samey, Amy, Rodney, and that other girl.]

Mashmallows are returning

Losers get shot out of the Cannon of Shame

I'll let you read the rest. Storyboard spoils the episode though.