When Foster’s needs a new roof, Bloo bakes up a plan to sell Madame Foster’s amazing cookies after his first attempt at selling lemonade in the middle of winter fails. When they finally get enough money to buy a new roof, Bloo sets himself up as the town’s cookie mogul.

Bloo visits a retirement home and disguises himself as a senior, getting to live there and being pampered all day long. When Mac finds out about it, Madame Foster teams up with him in order to get Bloo out of there.

Mac drafts the gang onto Madame Foster’s bowling team to help her beat her arch-rival Jerkins, but when Mac gets booted off his own team, he must learn the ways of the ball from an imaginary bowling guru.

Mac and Bloo ask Mr. Herriman to go camping. He refuses to let them go, but Madame Foster thinks it is a great idea. After they arrive, Bloo has eaten all the food. Mr. Herriman then sets off into the woods in search for more food, and then meets wild bunnies. Meanwhile, back at camp, […]

Terrence has an idea to make up a square friend named Red to beat Bloo up with so he can bully Mac to his heart’s content, but the friend he creates is friendly instead of being mean and violent.

Bloo wakes up to find the house completely deserted. With no Herriman or Frankie there to enforce the house rules, Mac and Bloo set out to cram as much fun and mischief into one day as they possibly can.

A new imaginary friend named Bendy has come to Foster’s, but he keeps misbehaving all around the house. Bloo, Wilt, Eduardo and Coco are framed for the wrongdoings, until Bloo comes up with his master plan.

A Rock And Roll Band called Pizza Party formed by some Imaginary Friends annoy Bloo by not allowing him to be their lead singer, so he decides to form his own band with Wilt, Eduardo, and Coco called Taco Fiesta. Soon, they are challenged to a “Battle of the Bands”.

When Mac visits Foster’s, Bloo wants to show him something up on the roof, though when it is time for them to go back downstairs, they find themselves lost and unable to get downstairs. Meanwhile, everyone in the dining room sneaks food when Mr. Herriman is not looking after he insists they wait for Bloo […]

On Adopt-A-Thought Saturday, Madam Foster renews a feud with her cranky old neighbor Old Man Rivers with disastrous consequences. Meanwhile, Bloo tries to settle a score of his own with Rivers’ irritating grandson, Young Man Rivers.

The day of Madame Foster’s birthday comes around and Frankie has forgotten to buy streamers, so Mr. Herriman orders her to go get some. Mac, Bloo, Eduardo, Wilt, and Coco tag along, but wander off while in the mall and get into various scrapes, slowing Frankie down.

During the production of the home’s newspaper, Uncle Pockets, the most frequently adopted imaginary friend to come to Foster’s, returns yet again. Uncle Pockets’ charm drives all the other friends’ attentions to him, making Bloo jealous. Bloo then decides to try to expose Uncle Pockets as a fraud through the home’s newspaper.

When a recent adoption leaves a room at Foster’s vacant, Bloo, Coco, Wilt, and Eduardo all fight over it, along with another friend named Peanut Butter. Everybody soon starts to make contests to see who will win the room, which leads Bloo to try to make contests that he can cheat at.

An imaginary pen resembling Abraham Lincoln is confiscated by Mac’s teacher after she catches him helping his creator cheat on a history test. Mac hatches a plan to rescue the friend – along with his au pair Moose – from the classroom closet, but the imaginary Honest Abe does not quite live up to his […]

In this Emmy Award-winning movie, Frankie is tired of working without being thanked. One day, a toy box is discovered at Foster’s front door. Frankie is ordered to take it to the attic and leave it alone, but she knows there is an imaginary friend trapped inside, and opens the box to find it. When […]

It is Adopt-A-Thought Saturday, an event that focuses on getting good friends adopted on the weekends when children are out of school. Mac and Bloo find out what Adopt-A-Thought Saturday is about after their good friend Jokey gets adopted. Not wanting to lose any more friends, they spend the day forcing everyone back into the […]

Eduardo tells some little white lies to the nursery residents of Foster’s, and now has to cover his tracks so they cannot catch up to him.

After appearing on local television news trying to outperform Eduardo, Bloo becomes a celebrity, doing commercials, television shows, movies and personal appearances. As time goes by, he discovers fame is not all it is cracked up to be.

Mac falls on a girl named Goo when trying to get a bobsled out of a tree, and she begins visiting Mac every day at Foster’s. With her hyperactive imagination, she creates a new friend one after another, which causes a big problem for the other imaginary friends in the house. After she creates so […]

Bloo is tired of Madam Foster getting all the glory for rescuing abandoned friends, so he sets up his own foster home – Bloo’s Foster’s Home for Imagainary Friends – in a cardboard box on the sidewalk.

When a thunderstorm knocks out the power at Foster’s, the gang organizes a game of pretend. Goo – who pretends to be an international pop star – gets upset when the boys do not want to play with her, so she make-believes a gang of villains that will force them to listen to her imaginary […]

Coco escapes from Foster’s, and a chain of events has her on adventures all over the world.

A plan to have Mr. Herriman mellow out backfires as conditions at the home deteriorate.

Bloo finds out about a door in the home that everyone is forbidden to open. He asks around about the door, but no one will tell him what is behind it. Finally Bloo snaps and opens the door, releasing hundreds of imaginary friends called scribbles, small friends created by babies. The scribbles are natural hard-workers […]