Catalyst시즌 13 이미지 추가에피소드 번호23Melioidosis - Spatial Processing Disorder - The Search for Alien AstronomersOverviewGraham Phillips travels to the rarefied heights of the Mauna Kea volcano in Hawaii to have a look at the Keck telescopes which are currently being used to look for signs that ET is out there somewhere in the galaxy.Air dateOctober 25, 2012Runtime (min)30