Eduardo breaks the "no dogs in the house" rule.

Bloo breaks a prize squeaking rubber elephant.

It's "Adopt-a-Thought Saturday," when imaginary friends can be taken by new families. Mac and Bloo worry that they'll lose all their pals, and take drastic measures to make sure they don't.

Wilt and Eduardo think there's a ghost in the home.

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

Mac and Bloo meet residents Eduardo, Wilt and Coco, and the home's staff.

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.

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

Bloo breaks Madame Foster's bust, and the gang rushes to put it back together before Mr. Herriman finds out.

Mac is surprised when Bloo and the rest of the gang show up at his place for a slumber party.

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

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

Frankie goes to the mall to get a gift for Madame Foster's birthday, but Bloo and the gang tag along and cause all kinds of trouble.

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

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

A Seeing Eye Friend loses his blind kid, and the gang helps find him. Then Boo becomes popular among Mac's classmates, who imagine their own versions of Boo.

Terrence creates an imaginary friend named Red to beat up Bloo. Then a man in a cellphone costume fools Bloo.

The friends plan a perfect day for Mac, whom they believe is moving away.

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

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

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

Bloo can't find the dining room, and Mr. Herriman won't allow dinner to be served until he arrives.

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

Everyone gets locked out of the home, and only Cheese knows the code to get back in.

The gang posts videos on the Internet after a field trip is rained out.

Bloo entertains Mac with an action-packed story.

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. There, she gets treated like a princess by a mysterious 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 this strange world. This is the first and only episode to have a TV-PG rating.

Bloo wants to grow up because he thinks Mac is engaged.

Recently adopted friends write worrisome letters describing life outside Foster's walls.

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

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

Coco escapes from Foster's and has a wild adventure.

Chaos ensues when a new imaginary friend is created to cheat on a history test.

Bloo and Mac compete in a 30-mile race.

Mac and Bloo are imprisoned by evil characters unwittingly created by Goo in her sleep.

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

The gang gets locked out of the house by a new security system, so Peas must discover how to open the door.

Bloo creates the greatest rock act ever when some Imaginary Friends start a garage band and won't let him in.

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

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

Bloo decides to move into a nursing home after an enjoyable visit there.

Eduardo must cover his tracks after telling the nursery residents fibs that could catch up to him.

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

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

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

Tickets won in a radio contest cause a rift between Mac, Bloo and Frankie.

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

Mac doesn't want a surprise party.