Season 3
14 episodes

1. Eddie Monster
22m · Jul 22, 2005
Eduardo runs away from the Home to prove his bravery, but ends up over his head in a fight.

2. Hiccy-Burp
22m · Sep 5, 2005
Bloo gets a nasty case of the hiccups and must get rid of them before the big Imaginary Friend Pageant.

3. Camp Keep a Good Mac Down
22m · Sep 9, 2005
A camping trip becomes a problem when Bloo eats all the food.

4. Imposter's Home for Um... Make 'Em Up Pals
22m · Sep 16, 2005
A suspicious imaginary friend shows up at the house, and Frankie is out to prove him a fraud.

5. Duchess of Wails
22m · Sep 23, 2005
The Duchess is adopted by Mac's neighbors, and the Foster's don't want to take her back.

6. Foster's Goes to Europe
22m · Nov 4, 2005
Mac and the crew win a trip to Europe.

7. Go Goo Go
22m · Nov 11, 2005
The house is filling up with imaginary friends, thanks to a girl named Goo.

8. Crime After Crime
22m · Nov 18, 2005
Mr. Herriman tries to conceal his carrot addiction, which causes a lot of trouble at Foster's.

9. Land of the Flea
22m · Nov 25, 2005
Although Eduardo is infested with fleas, he soon befriends them, but Frankie and Mr. Herriman want to get rid of them.

10. A Lost Claus
22m · Dec 1, 2005
Mac starts to doubt Santa's existence when a hoard of imaginary Santas appear. Bloo sets out to prove that he's real.

11. One False Movie
22m · Feb 10, 2006
Mac and Bloo collaborate on a movie, which turns into a hit. Later, they must make an even better sequel for a film contest.

12. Setting a President
22m · Feb 17, 2006
Frankie faces a tough campaign against Mr. Herriman as they both compete to be president of Foster's.

13. Room with a Feud
22m · Mar 16, 2006
A single room opens up in the house, prompting Eduardo, Bloo and Coco to compete for it.

14. Cuckoo for Coco Cards
22m · Mar 24, 2006
Everyone becomes obsessed with card collection when Coco lays magical eggs filled with cards.