Foster's Home for Imaginary Friends (2004)

S4E12 Good Wilt Hunting (1)

After being overlooked at the yearly picnic, Wilt decides to embark on a journey to find his creator. Concerned for his friend, Bloo and the rest of the gang set out to locate him. During their search, they stumble upon intriguing revelations about Wilt's hidden history, uncovering secrets that deepen their understanding of who he truly is.