 " The Set Up " is the 13th episode of the second season of the American comedy television series Parks and Recreation , and the nineteenth overall episode of the series . It originally aired on NBC in the United States on January 14 , 2010 . In the episode , Leslie ( Amy Poehler ) is set up on a blind date with an MRI technologist , played by Poehler 's then @-@ husband , comedic actor Will Arnett . 
