The Lost Bloo (bad title

)
Title card sound: Everyone shouting "Oh no!"
Mac is now ten. Bloo remembers when he heard of kids who abandoned their imaginary friends when they were ten and he is worried: Mac will abandon him! Bloo escapes from Foster's and tries to find a new home. Mr. Herriman isn't worried about Bloo being gone at first, he thinks everything is going to be peaceful. Everyone else is worried about this. They tell Herriman that Bloo will never be back unless they go search for him. Mac, Wilt, Eduardo, Coco, Herriman, Madame Foster, Frankie and all imaginary friends go search for Bloo. Eduardo thinks horrible things have happened to Bloo. Can they find Bloo?
Credits: Bloo goes back to Foster's and the house becomes a mess again!