Bloo has a reputation for being a funny imaginary friend, though his jokes sometimes offend people. When Bloo cracks a joke about an imaginary friend’s height, the “New Guy” challenges him to meet him outside at 4:00.

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 across the street from the fair suddenly turns into a nightmare for […]

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.

Mr. Herriman is not happy about Bloo not perfectly following the rules of the house. When he threatens to kick Bloo out, Bloo gets so stressed out that he accidentally breaks a bust of Madame Foster. Bloo tries to find a way to fix the broken bust before Mr. Herriman finds out.

Mac suspects that Bloo, along with the rest of the house, are planning him a surprise party. Mac, however, wants no part of it, since Bloo’s surprise parties always humiliate him in some way, and he is determined to foil Bloo’s plans by any means necessary.

In the series finale, Mr. Herriman explains that Mac is moving, Bloo decides to give him the best day ever, though things do not go as he planned. Through the entire day, Mac does things with everyone but Bloo, making him angrier and more emotionally hurt after every disappointment. He also gets more pressured every […]

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.

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 […]

Frankie is upset that she has to do paperwork when she wants to go out with her friends on Friday night, so Mac tells her he will file the paperwork for her. Overjoyed by this, Frankie calls him “the best” and kisses him on the cheek. After that, Mac develops a huge crush on Frankie, […]

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 […]

All Wilt wants to do is watch a basketball game on TV, but the house’s ridiculous requests and Wilt’s inability to refuse them keep him from seeing the big game.

Bloo is convinced that Cheese is a spy working for an evil extraterrestrial organization to steal the brains of everyone on earth after seeing a sci-fi movie and reading a tabloid newspaper where it’s pictures is similar to him. Later on, Frankie and everyone else (including Bloo) is stuck in an out of control day […]

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 (Herriman), who is taking away all the fun in the land ruled by […]

This episode tells the story of “The Big Cheese” through the eyes of a one-inch tall imaginary friend named Peas, detailing how he helped Frankie turn a negative into a positive.

When Ivan, a seeing eye friend, loses his blind kid, the friends try to find the boy before harm comes to him.

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.

In the series premiere movie, 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. There, they meet Mr. Herriman, Frankie, Wilt, Coco, and Eduardo, who all announce that eventually, Bloo will be adopted by another kid. Mac […]

In the sequel to “The Bloo Superdude and the Magic Potato of Power!”, hero (Bloo) must set out on a quest if he wishes to attend a ceremony honoring The Great Creator of Everything (Mac). In reality, Bloo is sick and hallucinating, making him think he is the Superdude when he is only running around […]

Frankie and Madame Foster are leaving for the day, so Mr. Herriman is placed in charge of the house. However, Madame Foster inadvertently gives Bloo the idea to throw a wild party, and he plans to do so without Mr. Herriman’s consent. While they manage to come up with a method to distract Mr. Herriman, […]

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.

Bloo tries the old peanut brittle can filled with snakes trick, thinking it as the ultimate Halloween prank after strapping Mac to his bed, thus not allowing him to go trick-or-treating because of his regular sugar rushes. However, when Mr. Herriman tries it, Bloo thinks it has gone awry, and Herriman becomes a zombie, with […]

When Eduardo gets fleas from his puppy, he becomes discontent as the fleas are driving him mad. However, despite the way he feels, he decides to keep the fleas on him when he befriends them, though Frankie and Mr. Herriman want none of it and they decide to go to drastic lengths to get the […]

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. Wilt, Coco, and Goo promise to keep it a secret, much to Wilt’s disconcern.

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