Foster's Home for Imaginary Friends

While taking out the trash, Eduardo finds a puppy and decides to keep it, despite dogs being forbidden in the house due to Mr. Herriman's fear of them.

A new Imaginary Friend named Berry has her eyes on Bloo, and Mac stands between them.

Mac and Bloo get embarrassing footage of Mr. Herriman while conducting interviews for a Web site.

Bloo is jealous of Wilt getting special attention for the number of abandoned imaginary friends he brings to Foster's, so he tries to rescue imaginary friends just like Wilt does. When Bloo finds a man in a cell-phone suit and thinks he's a friend, he takes him to Foster's, thinking everyone will give him more praise than they gave Wilt.

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

Bloo decides to open the one door at the retirement home for imaginary friends that is never, ever to be opened, and the house becomes infested with something bad.

Bloo and Mac play with each other in the mud while raining, which causes them to get sick. As Mac is taken home by Frankie, Bloo misses out on the scary movie the friends had planned to watch that night. When Wilt, Eduardo, and Coco begin to believe that the ghost in the movie is real, they mistake a pale Bloo to be the ghost. Meanwhile, Frankie gets locked out of the house in the rain after dropping off Mac and, as she tries to get back in, feels she's being stalked.

On Madame Foster's birthday, Frankie realizes she has forgotten to buy streamers for the party, prompting Mr. Herriman to send her to the store. Mac, Bloo, Eduardo, Wilt, and Coco accompany her but wander off in the mall and become involved in various mishaps, slowing Frankie down.

It's 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 and spend the day forcing the friends back into the house so that they won't be adopted.

When Mac visits Foster's, Bloo insists on showing him something on the roof, but the two become lost and cannot find their way back downstairs. Meanwhile, in the dining room, the others secretly sneak food while Mr. Herriman insists they wait for Bloo before starting dinner.

Mr. Herriman grows frustrated with Bloo's inability to follow the house rules and threatens to evict him. Under pressure, Bloo accidentally breaks a bust of Madame Foster and attempts to repair it before Mr. Herriman discovers the damage.

Mac races to save Bloo from the sinister scheme of the evil imaginary friend.

An evil imaginary friend sets a sinister plot in motion against Bloo, and Mac and the home's residents must save him.

Mac sends Bloo to live at Foster's Home for Imaginary Friends after being told by his mother that he is too old to have an imaginary friend. Once they meet various residents and get to know Wilt, Eduardo, Coco as well as the home's staff, the problem arises as they realise Bloo may get adopted if he moves in.

A case of mistaken identity sends Coco and Herriman to a high-society gala.

Bloo is suspicious of an old "Friend" of the house, Uncle Pockets, who returns after a long absence.

Bloo tries to make Mac cool, and succeeds all to well.

Bloo becomes a celebrity as a deodorant mascot, but fame taints his relationship with Mac.

Bloo is challenged to a fight at the end of the day, but he would rather avoid it.

Bloo breaks a prize squeaking rubber elephant.

When Mac accidentally imagines another friend, Bloo suffers sibling rivalry with the newly arrived and very odd Cheese.

Mac and Bloo fall for Frankie and become wildly jealous of each other and everyone else.

The home needs a new roof, so Bloo tries to fund it with a cookie drive.

Mac takes Bloo to school for show and tell. The kids love Bloo so much that they imagine their own variations on Bloo. Hundreds of Bloo clones are created, and Bloo dubs them his minions and himself leader. Mac plans on going to take Bloo to see The Ice Charades, but with hundreds of Bloos, he can't figure out which is the original.

A Seeing Eye Friend loses his blind kid, and the gang helps find him.

Mac tries to thwart Bloo's plans for a party.

A new imaginary friend has come to Foster's, but he keeps misbehaving all around the house. All other imaginary friends are taking the blame, until Bloo comes up with his master plan.

All Wilt wants to do is watch a basketball game on TV, but the house's ridiculous requests and Wilt's inability to refuse to let them keep him from seeing the big game. This also reveals his dark secret: He can't say no to helping others unless he wants to have a panic attack.

Mac gets the gang to join a bowling team, but ends up getting booted off.

Everyone becomes obsessed with card collection when Coco lays magical eggs filled with cards.

A single room opens up in the house, prompting Eduardo, Bloo and Coco to compete for it.

Frankie faces a tough campaign against Mr. Herriman as they both compete to be president of Foster's.

Mac and Bloo collaborate on a movie, which turns into a hit. Later, they must make an even better sequel for a film contest.

Mac starts to doubt Santa's existence when a hoard of imaginary Santas appear. Bloo sets out to prove that he's real.

Although Eduardo is infested with fleas, he soon befriends them, but Frankie and Mr. Herriman want to get rid of them.

Mr. Herriman tries to conceal his carrot addiction, which causes a lot of trouble at Foster's.

The house is filling up with imaginary friends, thanks to a girl named Goo.

Mac and the crew win a trip to Europe.

The Duchess is adopted by Mac's neighbors, and the Foster's don't want to take her back.

A suspicious imaginary friend shows up at the house, and Frankie is out to prove him a fraud.

A camping trip becomes a problem when Bloo eats all the food.

Bloo gets a nasty case of the hiccups and must get rid of them before the big Imaginary Friend Pageant.

Eduardo runs away from the Home to prove his bravery, but ends up over his head in a fight.

Bloo and the gang are out to find Wilt and discover some interesting things about his secret past along the way.

It's time for the 5 Year Creator Reunion Picnic, where imaginary friends' creators come to Foster's to see their imaginary friends. However, once again, Wilt's creator doesn't show up. Wilt, believing that his creator is still mad at him for a past let-down, sets off on a cross-country journey to find an imaginary friend that he lost to in a past basketball game and challenge him to another game to set things straight.

In her sleep, Goo accidentally creates all the villain characters from a make-believe game that she had helped out on while the power was out at the home during a thunderstorm, who then imprison Mac and Bloo at the home. Now, the gang must finish the game to save their friends.

An imaginary pen, that resembles Abraham Lincoln, is caught with a student cheating on a test by Mac's teacher. He is saved from the classroom's closet by Mac and Bloo along with his au pair, a green ogre named Moose. The Lincoln pen cons Madame Foster into a new plan to adopt an overcrowded home to unsuspecting adopters for a fee, then takes over the house, planning to turn it into a casino.

Bloo alerts that an imaginary friend is in trouble. No one wants to help him at first because it might be a trick, but Madame Foster forces Frankie, Coco, Wilt, and Eduardo to help him. They find that the imaginary friend is stuck in a tree, and Bloo tries to help by climbing on top of them but only causes them to fall. Madame Foster manages to save the friend and is awarded for her good deed. Bloo tries to prove that he can also do good deeds and makes his own home for imaginary friends.

Foster's is going to be on TV, and Frankie wants everything perfect. Meanwhile, Cheese keeps showing up at Foster's, despite being told numerous times that he doesn't live there. In an attempt to keep him out, Mr. Herriman installs a security system. Unfortunately, due to his misreading of the directions, nobody knows the password except for Cheese, who memorized the code as a song. It is now up to the gang to get Cheese to recite it, and craziness ensues.

Bloo notices after a trip to the grocery store that Frankie has left the keys in the bus, and decides to take Mac for a joyride in the Foster's bus, and Wilt, Coco and Goo promise to keep it a secret much to poor Wilt's disconcern.

Bloo, along with the rest of the house, plan a surprise party for Mac. However, Mac wants no part of it and tries to destroy their plans.

Bloo, Wilt, Eduardo, and eventually more guests arrive at Mac's apartment for a slumber party that Mac didn't plan. But because they are all so loud, Mac's mom or Terrence could wake up and get them all into trouble.

Old Man Rivers, who lives across the street from Foster's, does not want imaginary friends on his lawn, and on "Adopt-A-Thought Saturday," his grandson, Young Man Rivers, makes faces at Bloo. Bloo and Madame Foster throw papers — that are adoption forms — at Old Man Rivers, who keeps them for himself, causing Bloo and Wilt to try to get them back. Meanwhile Eduardo tries to keep the parents busy so Bloo can get the adoption forms, but the parents get more impatient by the moment.

When the home's residents go to the beach and leave Bloo in the house alone on purpose so that he doesn't ruin the fun, he and Mac try to squeeze in as much fun as possible and make it the best day of their lives.

The residents prepare for the annual house photo. Meanwhile, Bloo, Mac and Goo search for an answer behind a weird photo of Foster's taken years ago, Eduardo gets an "extreme makeover" from Duchess, Coco realizes she needs to lose weight and Wilt has trouble being in the house photo without getting his head obscured.

When a large and dangerous imaginary friend is destroying the city, a superhero friend named Imaginary Man comes and saves the day, leaving Mac impressed. But once Mac becomes Imaginary Man's sidekick, Bloo becomes jealous and joins forces with Nemesis, Imaginary Man's mortal enemy and sister.

A plan to mellow out Mr. Herriman backfires when conditions at the house quickly deteriorate.

This episode tells the story of "The Big Cheese" through the eyes of a pea-sized imaginary friend named Peas, detailing how he helped Frankie turn a negative into a positive.

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

Bloo, Mac, Frankie and others are tangled up in a chaotic series of events when Frankie wins tickets to the premiere of a new action movie starring Rod Tango.

Bloo tries the old peanut brittle can filled with snakes trick, thinking it as the ultimate Halloween prank after strapping Mac to his bed so as to not allow him to go trick-or-treating because of his sugar rushes. However, when Mr. Herriman tries his trick, Bloo thinks it has gone awry, and Mr. Herriman becomes a zombie, much to the shock of the other residents.

A rich kid named Barry Bling comes to Foster's looking for a friend. He has a mansion filled with toys, which tempts Bloo so much that he starts cheating on Mac. But there's something strangely familiar about Barry...

Bloo is convinced Mac is going to be married, so he tries to act mature in order to impress Mac.

Bloo learns about a garage band known as Pizza Party. After realizing that he cannot be in the band, he starts his own musical act and inadvertently causes the creation of a concert.

Bloo entertains Mac with an action-packed story about a crystal "potato" of power. A little boy (Eduardo), an alien (Coco), a hermit (Wilt), a magical fairy (Frankie), and the Superdude (Bloo) attempt to protect the crystal potato from the evil Lord Snooty (Mr. Herriman), who is taking away all the fun in the land ruled by the Queen (Madame Foster).

Bloo visits a retirement home and inadvertently 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.

When the whole house goes to a fair, Mac and Bloo compete to see who will throw up last on a ride called the Vomit Comet. Bloo ditches Mac to ride in Madame Foster's Firebird, but a "quick" stop at the fabric store that is just across the street from the fair suddenly turns into a nightmare for Bloo that doesn't seem to end, causing him to take big measures to try to get out of it.

The gang goes to a swap meet where a pick-pocketer is stealing money. He accidentally loses a $100 bill that Eduardo finds. Eduardo takes his money around the swap meet, looking for something to buy. But even the most sensible of the gang are tempted by the bill, and with the thief also trying to catch his bill, craziness ensues.

Bloo is convinced that Cheese is an alien after watching a sci-fi movie about brain-eating spacemen and reading a tabloid newspaper with a picture that has an alien that resembles him and attempts to send a message to outer space.

When Mr. Herriman tells Bloo that Mac is moving, Bloo decides to give him the best day ever, though things do not go as he plans. All day, Mac does things with everyone but Bloo, making him angrier after every disappointment.

Frankie and Mr. Herriman host a party at Foster's and ask the friends to stay outside or upstairs.

Bloo is sad about Eduardo getting adopted and holds auditions to get an alternate one; meanwhile, the residents get letters from those that were adopted in the latest Adopt-a-Thought Saturday.

The friends have a house-wide dare competition that quickly gets out of hand.

A deliriously ill Bloo attends Mac's birthday party and daydreams about his adventures as a superhero.

Frankie, Mac, Bloo, Mr. Herriman, Wilt, Eduardo and Coco must find a way to escape the mysterious realm of an imaginary friend.

After tackling certain bizarre toy box trials and tribulations, Bloo, Mac, Wilt, Eduardo, and Coco discover Frankie's whereabouts and set out to rescue her from the strange world.

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 she looks inside, she falls into a strange imaginary world.

Bloo becomes tired of always losing to Mac at everything, so one day at the Prize Hive, he challenges Mac to a 30-mile race back to Foster's.

The friends have to make their own fun when rain forces them to cancel a trip to a water park. They decide to upload videos to ViewTube, while Bloo, sulking because of their cancelled trip, tries to ruin everyone's fun.

A termite infestation at Foster's forces Mr. Herriman to move the friends into a hotel for the night. While at the hotel, Bloo, being rambunctious, gets out of hand, disobeying all of Mr. Herriman's rules. To get rid of him, Wilt, Eduardo, and Coco play a prank on Bloo, though Mr. Herriman believes Bloo did it. Bloo, angry at Coco, challenges her to a prank war, turning the night into an outrageous chain of pranks.

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

Mac discovers that an impostor has been checking out library books in his name and hires a detective to find the crook.