"Foster's Home for Imaginary Friends" From the mind of Craig McCracken, creator of The Powerpuff Girls, comes a world where imaginary friends become real the instant a kid thinks them up. Everyone can see them, everyone can talk to them-but sometimes, not everyone wants them. Luckily, they're always welcome at Fosters Home for Imaginary Friends, where they can stay until a new kid adopts them. The series is set in a rambling Victorian mansion, overseen by Madame Foster, that serves as a haven for imaginary friends are no longer wanted or needed by their former owners. Fosters Home for Imaginary Friends premiered on August 13th 2004 on Cartoon Network.