Which animated television series was slated for inclusion in the video game Cartoon Network Backlot Party and first aired in 2011?
Cartoon Network: Backlot Party: Cartoon Network Backlot Party is a cancelled crossover party video game for Nintendo 3DS and Wii, based on various Cartoon Network series. Cartoon Network: Backlot Party:  Shows such as "The Amazing World of Gumball", "Courage the Cowardly Dog", "Ed, Edd n Eddy", "Regular Show", "Adventure Time", "The Grim Adventures of Billy and Mandy", "The Powerpuff Girls", "Cow and Chicken", and "Dexter’s Laboratory" were represented in the game.
i don't know