Dash has worked in television since the late 1990s. Her television movies include Funny Valentines (1999), Incognito (1999), Love Song (2000), and The Rosa Parks Story (2002), starring Angela Bassett. The National Underground Railroad Freedom Center commissioned Dash to direct Brothers of the Borderland in 2004, as an immersive film exhibit narrated by Oprah Winfrey following the path of women gaining freedom on the Underground Railroad. In 2017, Dash directed episodes of Queen Sugar on the Oprah Winfrey Network.