I Didn't Know I Was Pregnant premiered on TLC on March 17, 2009. This series explores the fascinating and utterly unbelievable phenomenon of women who were completely unaware they were pregnant until they went into labor. Each episode follows the incredible stories of these women's unknown pregnancies through re-enactments and real-life interviews, as the lives of both mom and baby are jeopardized through the mysterious nine-month journey. The show moved to TLC beginning with its second season.