Girls' Generation's Hello Baby Season 1: Girls' Generation's Hello Baby Episode 3 Episode 3 ( Air Date 2009-07-07 ) Genre Reality category. Overview "To experience motherhood, Girls' Generation members were assigned to be mothers and take care of a 9-month-old baby boy named "Cho Kyung San." Periodically a different male guest would be the father, and they would select the "Best Mom" or "Worst Mom" of that particular day.".