Seasons & episodes
S4 · E1Challenge of the Superfriends 2006-04-28 · 23 min
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.
S4 · E2The Big Picture 2006-05-05 · 30 min
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.
S4 · E3Squeeze the Day 2006-05-12 · 30 min
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.
S4 · E4Neighbor Pains 2006-05-19 · 30 min
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.
S4 · E5Infernal Slumber 2006-07-17 · 30 min
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.
S4 · E6I Only Have Surprise for You 2006-07-27
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.
S4 · E7Bus the Two of Us 2006-08-01 · 30 min
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.
S4 · E8The Big Cheese 2006-08-07 · 30 min
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.
S4 · E9Bloo's the Boss 2006-11-03 · 30 min
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.
S4 · E10Emancipation Complication 2006-11-10 · 30 min
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.
S4 · E11Make Believe It or Not 2005-11-17 · 30 min
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.
S4 · E12Good Wilt Hunting (1) 2006-11-23 · 30 min
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.
S4 · E13Good Wilt Hunting (2) 2006-11-23 · 30 min
Bloo and the gang are out to find Wilt and discover some interesting things about his secret past along the way.
S5 · E1Cheese A Go-Go 2007-05-04
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.
S5 · E2The Buck Swaps Here 2007-05-18
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.
S5 · E3Say It Isn't Sew 2007-06-08
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.
S5 · E4Something Old, Something Bloo 2007-06-15
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.
S5 · E5The Bloo Superdude and the Magic Potato of Power 2007-09-10
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).
S5 · E6Schlock Star 2007-09-11
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.
S5 · E7The Bride to Beat 2007-09-12
Bloo is convinced Mac is going to be married, so he tries to act mature in order to impress Mac.
S5 · E8Affair Weather Friends 2007-09-13
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...
S5 · E9Nightmare on Wilson Way 2007-10-12
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.
S5 · E10Ticket to Rod 2007-10-05
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.
S5 · E11Better Off Ed 2007-10-19
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.