captioned by the national captioning institute --www.ncicap.org-- llo, i'm john cleese, and i'd like to ask you a question. do you feel that you're on some kind of spiritual quest? if so, my advice is, don't switch channels. and if not, well, you might nevertheless be interested in a question like, "is there another reality behind this reality that we so casually call "reality"? either way, if you feel that you might need a road map for something like this, you are in good hands with our guests karen armstrong and robert thurmond, two of the world's finest enquiring minds. so pin back your ears and join our host and guide, phil cousineau, on this most intriguing episode of global spirit, the first internal travel series. [percussive music] ♪ - my name is phil cousineau. along with being a writer and a family man, i consider myself to be a spiritual seeker, searching for what is real, the truth-- or perhaps more accurately, the truths--of life. certainly, the great religions and wisdom traditions have all addressed these questions, mostly through the study of sacred texts, rituals, an