2006 | 26 Episodes

Season 0 of Foster's Home for Imaginary Friends premiered on July 7, 2006.

2004 | 13 Episodes

Season 1 of Foster's Home for Imaginary Friends premiered on August 13, 2004.

2005 | 13 Episodes

Season 2 of Foster's Home for Imaginary Friends premiered on January 21, 2005.

2005 | 14 Episodes

Season 3 of Foster's Home for Imaginary Friends premiered on July 22, 2005.

2006 | 13 Episodes

Season 4 of Foster's Home for Imaginary Friends premiered on April 28, 2006.

2007 | 13 Episodes

Season 5 of Foster's Home for Imaginary Friends premiered on May 4, 2007.

2008 | 13 Episodes

Season 6 of Foster's Home for Imaginary Friends premiered on March 13, 2008.