You will Watch Fosters Home for Imaginary Friends Season 1 Episode 5 online for free episodes with HQ / high quality. Stream cartoons Fosters Home for Imaginary Friends Episode 5 The Trouble with Scribbles 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 finally opens the door, and releases imaginary friends called scribbles. The scribbles are natural hard-workers that begin to work around the house, making everyone lazy.