Foster’s Home for Imaginary Friends Season 1 Episode 5 Fmovies

Bloo finds out about a door in the home that everyone is forbidden to open. As he asks around about the door, no one tells him what is inside of it. However, in the middle of the night, Bloo manages to sneak to the door and open it, but will he like what he has found or will his deeds cause untold trouble?