Season 3 Episodes
1. Eddie Monster
Eduardo runs away from the Home to prove his bravery, but ends up over his head in a fight.
2. Hiccy-Burp
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
A camping trip becomes a problem when Bloo eats all the food.
4. Imposter's Home for Um...Make 'Em Up Pals
A suspicious imaginary friend shows up at the house, and Frankie is out to prove him a fraud.
5. Duchess of Wails
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
Mac and the crew win a trip to Europe.
7. Go Goo Go
The house is filling up with imaginary friends, thanks to a girl named Goo.
8. Crime After Crime
Mr. Herriman tries to conceal his carrot addiction, which causes a lot of trouble at Foster's.
9. Land of the Flea
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
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
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
Frankie faces a tough campaign against Mr. Herriman as they both compete to be president of Foster's.
13. Room with a Feud
A single room opens up in the house, prompting Eduardo, Bloo and Coco to compete for it.
14. Cuckoo for Coco Cards
Everyone becomes obsessed with card collection when Coco lays magical eggs filled with cards.