National Geographic Explorer CRIS On-Demand- General Interest CRIS en Espanol | CRISKids | CRIS Radio (general) National Geographic ExplorerNatl Geo Explorer Trailblazer May 2016 August 23, 2016Natl Geo Explorer Adventurer May 2016 May 20, 2016Trailblazer Jan/Feb 2016 January 6, 2016Adventurer Jan/Feb 2016 January 6, 2016