Foster's Home for Imaginary Friends

Neighbor Pains (4x4)

Air date: May 19, 2006

Old Man Rivers, who lives across the street from Foster's hates imaginary friends, and on "Adopt-A-Thought Saturday", his grandson, Young Man Rivers, torments Bloo. Meanwhile, Bloo and Madame Foster throw papers - that are adoption forms - at Old Man Rivers, who keeps them for himself. What will happen?