Watch Season 4

Season 4 Episodes

Episode Guide

Good Wilt Hunting Part Two

Season 4, Episode 13 - Air Date: 11/23/2006
It's time for the Five Year Creator Reunion Picnic, where imaginary friends' creators come to Foster's to see their imaginary friends.
Episode Guide

Good Wilt Hunting

Season 4, Episode 12 - Air Date: 11/17/2006
It's time for the Five Year Creator Reunion Picnic, where imaginary friends' creators come to Foster's to see their imaginary friends.
Episode Guide

Make Believe It or Not

Season 4, Episode 11 - Air Date: 11/17/2006
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.
Episode Guide

Emancipation Complication

Season 4, Episode 10 - Air Date: 11/9/2006
When a pen that looks like Abraham Lincoln is caught with a student cheating on a test by Mac's teacher, he is saved by Mac and Blooregard along with his au pair, a green ogre type.
Episode Guide

Bloo's the Boss?

Season 4, Episode 9 - Air Date: 11/3/2006
Bloo announces that a one-eyed cat-like 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.
Episode Guide

The Big Cheese

Season 4, Episode 8 - Air Date: 8/7/2006
Foster's is being put on TV, and Frankie wants everything perfect. Meanwhile, Cheese keeps appearing at Foster's, even after being told numerous times that he doesn't live there.
Episode Guide

Bus the Two of Us

Season 4, Episode 7 - Air Date: 8/1/2006
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 promises to keep it a secret.
Episode Guide

I Only Have Surprise for You

Season 4, Episode 6 - Air Date: 5/14/2007
Bloo, along with the rest of the Imaginary Friends (besides Edwardo) and Frankie, plan a surprise party for Mac.
Episode Guide

Infernal Slumber

Season 4, Episode 5 - Air Date: 7/17/2006
Bloo and the gang arrive at Mac's house for slumber party that Mac didn't plan to have on a school night.
Episode Guide

Neighbor Pains

Season 4, Episode 4 - Air Date: 5/19/2006
Old Man Rivers, who lives across the street from Foster's hates imaginary friends, and on "Adopt-A-Thought Saturday", his grandson, Young Man Rivers, torments Bloo.
Episode Guide

Squeeze the Day

Season 4, Episode 3 - Air Date: 5/12/2006
When the friends go out 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, but are they bringing the house down?
Episode Guide

The Big Picture

Season 4, Episode 2 - Air Date: 3/17/2006
The residents prepare for the annual house photo. Meanwhile, Bloo and Mac search for an answer behind a weird photo of Foster's taken years ago, Eduardo gets an "extreme makeover" from Duchess that surprises the other residents, Coco realizes she needs to lose weight and Wilt has trouble being in the house photo without getting his head cut out from the banner.
Episode Guide

Challenge of the Superfriends

Season 4, Episode 1 - Air Date: 4/28/2006
When a large and dangerous imaginary friend is destroying the city, Imaginary Man comes and saves the day, and now, Mac is a fan.

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