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 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.

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 […]

When a large and dangerous imaginary friend starts destroying the city, a superhero friend named Imaginary Man comes to save the day, and Mac becomes his biggest fan. When Mac gets recruited as Imaginary Man’s sidekick, however, he ditches Bloo and starts to forget about their friendship. As a result, Bloo joins forces with Nemesis, […]

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 […]

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.

Mac seeks the aid of Jackie Khones to find out who stole his library card and used it to check out a now overdue book.

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.

Bloo overhears Mac talking about his supposed wedding. Dismayed, Bloo finds help from a depressed imaginary friend, not wanting to lose Mac forever. Bloo observes some adults and mimics them to try to grow up for Mac.

After beating Mac’s high score in a video game, Bloo goes to rub it in his face at school, but is horrified when he comes to the conclusion that Mac is a nerd. When Mac arrives, Bloo quickly works to make Mac cool, but none of their ideas work. Only when Mac says he does […]

Bloo and the gang arrive at Mac’s apartment for a slumber party that Mac did not plan. Mac tries desperately to keep his friends quiet before they wake up his mom and brother with their shenanigans.

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.

Eduardo runs away from the home to prove that he is not a coward. Meanwhile, Terrence is looking for an imaginary friend to compete in the Extreme-O-Saur Battle, and he comes across Eduardo. While Mac, Bloo, Wilt, and Coco search for Eduardo, Terrence uses him to fight against huge imaginary friends at the junkyard.

Mr. Herriman’s carrot addiction leads him to blame Coco for stealing the carrots that were to be used for dinner that night, though it was him who hid them around the house. With no carrots left, the only thing left for dinner is to make “It,” a dish that Frankie has never been able to […]

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 […]

Richie Wildebrat, a kid at Mac’s school, keeps bragging about his imaginary friend, Blake Superior and how they will win the imaginary friend talent show pageant. Mac wants to beat him so it can end Richie’s bragging, so he asks Bloo to enter the pageant, but Bloo does not want to. Bloo gets the hiccups, […]

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.

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, […]

The gang goes to a swap meet where a pick-pocket is stealing money. When the thief accidentally loses a $100 bill, Eduardo finds it and takes his money around the swap meet looking for something to buy. Even the most sensible of the gang are tempted by the bill, and with the thief also trying […]

Everyone in Fosters is sick of Herriman’s rules, so Frankie decides that she should run for president. Bloo also decides to run when it is stated that any resident of the house can be a candidate. After Bloo resigns, he helps Herriman by giving the house embarrassing and even untrue facts about Frankie. Frankie eventually […]

When various imaginary Santa Clauses are brought to Foster’s, Mac begins to lose his faith in Santa’s existence, so it is up to Bloo and the others to help restore Mac’s faith in the old St. Nick. Bloo sends Wilt on a sleigh ride around the world and tries to get Eduardo to slide down […]

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 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 another Adopt-a-Thought Saturday.

Loading the player... 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 […]

Frankie and Mr. Herriman are hosting an important party in the foyer to raise funds for the house, so Frankie tells Bloo, Wilt, Eduardo, and Coco to either stay upstairs or outside. After a series of ridiculous deciding, they choose to stay upstairs, but after being there for a while, they get bored and decide […]

After Eduardo finds a puppy when he was taking out the trash, he decides to keep it, despite the fact that dogs are not permitted inside the house due to Mr. Herriman suffering from a fear of dogs. However, despite Eduardo’s best efforts, the dog gets loose and starts causing problems that Eduardo takes the […]

Loading the player... A rich benefactor is considering giving money to a charity, and visits Foster’s to see if it is worthy. Mr. Herriman gets Mac and Bloo to keep Coco out of the way, but in the end, it is only when the benefactor mistakes Coco as Mr. Herriman’s wife that he considers Foster’s, […]

A new friend named Berry enters the house and acts as sweet as she can be, though with one glance at Bloo, she becomes lovestruck and is determined to make Bloo love her back. When he ignores her, she feels that Mac is getting in the way (though it is actually just Bloo’s self-centered nature).

A rich kid named Barry Bling comes to Foster’s, and Mac and Bloo introduce him to all of the friends. After seeing all of the friends, Duchess chimes in and says that she wants Barry to adopt her. Barry instead wishes to adopt Bloo, but Mac tells him that Bloo is not up for adoption, […]

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 […]

When Mac takes his classmates on a field trip to Foster’s, everybody loves Coco and Bloo wants all of the attention. After Coco lays eggs with imaginary friend trading cards, all of the friends start trading and collecting the cards. Bloo becomes obsessed, and tries to be the first to collect them all.

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 […]