Goofball John McGee comes to Foster’s and makes a total nuisance of himself. Frankie thinks he is a teenage kid passing himself off as an imaginary friend, who always needs help with homework and washing his jerseys, and eats all the food that Frankie buys from the store, but everyone else believes otherwise, leaving Frankie […]

In this double-length special, it is time for the Five Year Creator Reunion Picnic, where imaginary friends’ creators come to Foster’s to see their former friends. One friend’s creator, however, is missing: Wilt’s. Wilt, believing that his creator is still mad at him for a past let-down, sets off on a cross-country journey to set […]

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.

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, and invites them […]

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 and Mac enjoy playing with each other in the mud, but when it is raining, they get sick. As Mac is taken home by Frankie, Bloo misses out on the scary movie the friends planned to watch that night. When Wilt, Eduardo, and Coco begin to believe that the ghost in the movie is […]

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 […]

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).

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 […]

When rain forces them to cancel their trip to a water park called Monsoon Lagoon, the gang decide to have their own fun, by making videos and uploading them to ViewTube (a parody of YouTube), while Bloo is constantly sulking because of their canceled trip.

In this double-length special, it is time for the Five Year Creator Reunion Picnic, where imaginary friends’ creators come to Foster’s to see their former friends. One friend’s creator, however, is missing: Wilt’s. Wilt, believing that his creator is still mad at him for a past let-down, sets off on a cross-country journey to set […]

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.

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

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 […]

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 […]

The gang goes to an arcade and while everyone else is winning many tickets, Bloo isn’t. Bloo then becomes very interested in glow in the dark Dracula teeth, which are worth 500 tickets. Bloo wants them to give him their tickets so he can get one, but the others decided to collect all of their […]

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 […]

Foster’s is finally able to get rid of Duchess when she is adopted. However, the family that adopted her turns out to be Mac’s neighbors and her complaining gets to be too much for Mac’s mother to handle. Terrence tells Mac that she is thinking about moving to Singapore (which Terrence thinks is in Wisconsin). […]

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, […]

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.

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 […]

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

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 wins a sweepstakes and receives tickets to Europe, but when the gang tries to pack at the last second, everyone has delays that make them later and later. Frankie is making sure that Madame Foster can take care of the house while everyone is gone, though all she wants to do is break the […]