Children who create imaginary friends usually take care of them until they are 7-8 years old. Imaginary friends, left on their own after this event, continue to live in this home founded by old Madam Foster.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | House of Bloo's (1) | 2004-08-13 | 30 min |
| Season 1 | Episode 2 | House of Bloo's (2) | 2004-08-13 | 30 min |
| Season 1 | Episode 3 | House of Bloo's (3) | 2004-08-13 | 30 min |
| Season 1 | Episode 4 | Store Wars | 2004-08-20 | 30 min |
| Season 1 | Episode 5 | The Trouble With Scribbles | 2004-08-27 | 30 min |
| Season 1 | Episode 6 | Busted | 2004-09-03 | 30 min |
| Season 1 | Episode 7 | Dinner Is Swerved | 2004-09-10 | 30 min |
| Season 1 | Episode 8 | World Wide Wabbit | 2004-09-17 | 30 min |
| Season 1 | Episode 9 | Berry Scary | 2004-09-24 | 30 min |
| Season 1 | Episode 10 | Seeing Red / Phone Home | 2004-10-01 | 30 min |
| Season 1 | Episode 11 | Who Let the Dogs In? | 2004-10-08 | 30 min |
| Season 1 | Episode 12 | Adoptcalypse Now | 2004-10-15 | 30 min |
| Season 1 | Episode 13 | Blooooo | 2004-10-22 | 30 min |
| Season 2 | Episode 1 | Partying Is Such Sweet Soiree | 2005-01-21 | 30 min |
| Season 2 | Episode 2 | The Big Lablooski | 2005-01-28 | 30 min |
| Season 2 | Episode 3 | Where There's a Wilt There's a Way / Everyone Knows It's Bendy | 2005-02-04 | 30 min |
| Season 2 | Episode 4 | Sight for Sore Eyes / Bloo's Brothers | 2004-03-04 | 30 min |
| Season 2 | Episode 5 | Cookie Dough | 2005-03-11 | 30 min |
| Season 2 | Episode 6 | Frankie My Dear | 2005-03-18 | 30 min |
| Season 2 | Episode 7 | Mac Daddy | 2005-05-06 | 30 min |
| Season 2 | Episode 8 | Squeakerboxxx | 2005-05-13 | 30 min |
| Season 2 | Episode 9 | Beat with a Schtick | 2005-05-20 | 30 min |
| Season 2 | Episode 10 | The Sweet Stench of Success | 2005-05-27 | 30 min |
| Season 2 | Episode 11 | Bye Bye Nerdy | 2005-07-01 | 30 min |
| Season 2 | Episode 12 | Bloo Done It | 2005-07-08 | 30 min |
| Season 2 | Episode 13 | My So-Called Wife | 2005-07-15 | 30 min |
| Season 3 | Episode 1 | Eddie Monster | 2005-07-22 | 30 min |
| Season 3 | Episode 2 | Hiccy Burp | 2005-09-05 | 30 min |
| Season 3 | Episode 3 | Camp Keep a Good Mac Down | 2005-09-09 | 30 min |
| Season 3 | Episode 4 | Imposter's Home for Um... Make 'Em Up Pals | 2005-09-16 | 30 min |
| Season 3 | Episode 5 | Duchess of Wails | 2005-09-23 | 30 min |
| Season 3 | Episode 6 | Foster's Goes to Europe | 2005-11-04 | 30 min |
| Season 3 | Episode 7 | Go Goo Go | 2005-11-11 | 30 min |
| Season 3 | Episode 8 | Crime After Crime | 2005-11-18 | 30 min |
| Season 3 | Episode 9 | Land of the Flea | 2005-11-25 | 30 min |
| Season 3 | Episode 10 | A Lost Claus | 2005-12-01 | 30 min |
| Season 3 | Episode 11 | One False Movie | 2006-02-10 | 30 min |
| Season 3 | Episode 12 | Setting a President | 2006-02-17 | 30 min |
| Season 3 | Episode 13 | Room With a Feud | 2006-03-16 | 30 min |
| Season 3 | Episode 14 | Cuckoo for Coco Cards | 2006-03-24 | 30 min |
| Season 4 | Episode 1 | Challenge of the Superfriends | 2006-04-28 | 30 min |
| Season 4 | Episode 2 | The Big Picture | 2006-05-05 | 30 min |
| Season 4 | Episode 3 | Squeeze the Day | 2006-05-12 | 30 min |
| Season 4 | Episode 4 | Neighbor Pains | 2006-05-19 | 30 min |
| Season 4 | Episode 5 | Infernal Slumber | 2006-07-17 | 30 min |
| Season 4 | Episode 6 | I Only Have Surprise for You | 2006-07-27 | 30 min |
| Season 4 | Episode 7 | Bus the Two of Us | 2006-08-01 | 30 min |
| Season 4 | Episode 8 | The Big Cheese | 2006-08-07 | 30 min |
| Season 4 | Episode 9 | Bloo's the Boss | 2006-11-03 | 30 min |
| Season 4 | Episode 10 | Emancipation Complication | 2006-11-10 | 30 min |
| Season 4 | Episode 11 | Make-Believe It or Not! | 2005-11-17 | 30 min |
| Season 4 | Episode 12 | Good Wilt Hunting (1) | 2006-11-23 | 30 min |
| Season 4 | Episode 13 | Good Wilt Hunting (2) | 2006-11-23 | 30 min |
| Season 5 | Episode 1 | Cheese a Go-Go | 2007-05-04 | 30 min |
| Season 5 | Episode 2 | The Buck Swaps Here | 2007-05-18 | 30 min |
| Season 5 | Episode 3 | Say It Isn't Sew | 2007-06-08 | 30 min |
| Season 5 | Episode 4 | Something Old, Something Bloo | 2007-06-15 | 30 min |
| Season 5 | Episode 5 | The Bloo Superdude and the Magic Potato of Power! | 2007-09-10 | 30 min |
| Season 5 | Episode 6 | Schlock Star | 2007-09-11 | 30 min |
| Season 5 | Episode 7 | The Bride to Beat | 2007-09-12 | 30 min |
| Season 5 | Episode 8 | Affair Weather Friends | 2007-09-13 | 30 min |
| Season 5 | Episode 9 | Ticket to Rod | 2007-10-05 | 30 min |
| Season 5 | Episode 10 | Nightmare On Wilson Way | 2007-10-12 | 30 min |
| Season 5 | Episode 11 | Better Off Ed | 2007-10-19 | 30 min |
| Season 5 | Episode 12 | The Little Peas | 2007-11-22 | 30 min |
| Season 5 | Episode 13 | Let Your Hare Down | 2008-03-06 | 30 min |
| Season 6 | Episode 1 | Jackie Khones and the Case of the Overdue Library Crook | 2008-03-13 | 30 min |
| Season 6 | Episode 2 | Mondo Coco | 2008-04-10 | 30 min |
| Season 6 | Episode 3 | Pranks for Nothing | 2008-04-24 | 30 min |
| Season 6 | Episode 4 | Bloo Tube | 2008-05-08 | 30 min |
| Season 6 | Episode 5 | Race for Your Life Mac & Bloo | 2008-05-29 | 30 min |
| Season 6 | Episode 6 | Destination: Imagination (1) | 2008-11-27 | 30 min |
| Season 6 | Episode 7 | Destination: Imagination (2) | 2008-11-27 | 30 min |
| Season 6 | Episode 8 | Destination: Imagination (3) | 2008-11-27 | 30 min |
| Season 6 | Episode 9 | The Bloo Superdude and the Great Creator of Everything's Awesome Ceremony of Fun That He's Not Invited To | 2009-05-03 | 30 min |
| Season 6 | Episode 10 | Bad Dare Day | 2009-05-03 | 30 min |
| Season 6 | Episode 11 | Read 'Em and Weep | 2009-05-03 | 30 min |
| Season 6 | Episode 12 | Fools and Regulations | 2009-05-03 | 30 min |
| Season 6 | Episode 13 | Goodbye to Bloo | 2009-05-03 | 30 min |
| Production | Craig McCracken | Executive Producer |
| Production | Lauren Faust | Producer |
| Production | Brian A. Miller | Executive Producer |
| Production | Jennifer Pelphrey | Producer |
| Production | Ryan Slater | Producer |
