2008 | 2 Episodes

Season 1 of I Didn't Know I Was Pregnant premiered on June 8, 2008.

2009 | 2 Episodes

Season 2 of I Didn't Know I Was Pregnant premiered on March 17, 2009.

2009 | 18 Episodes

Season 3 of I Didn't Know I Was Pregnant premiered on May 26, 2009.

2011 | 25 Episodes

Season 4 of I Didn't Know I Was Pregnant premiered on June 22, 2011.