without being fluent in dothraki, you could place the english on to the dothraki and grasp where the intonations would be correct to make it sound like a fluid conversation. >> and you'd also record mp3s which the actors could listen to and know how to say the lines with the proper dothraki accent. >> to try to help them out i give them a regular speed version and a slowed down version so that they kind of can really hear what all the sounds are supposed to sound like and then they know how it's supposed to sound fluently. >> in the case of denaris played by amelia clark speaking dothraki with an english accent which is an entirely different thing. >> i tell you, he struggles, but amelia clark does an excellent job as a nonnative dothraki speaker. >> i think that he's going to tell me after saying this, i would say that on set ian glen, i think -- he plays my confidante struggles with dothraki as he should. >> they each have their own way of pronouncing words. i remember that one of the funs ones with jason, he routinely pronounces every word that ends with the sound "e" he changes i

i would love to get it to 10,000 words. >> reporter: this is the father of modern dothraki. whole scenes done with subtitles. an entire language created by an amateurli amateurli amateurli amateurli amateurlinguist. >> i interpreted how george r. martin would want these thing pronounced. my sentence would be si sik mashir aki. >> what's it like to have a language that's real? >> the bar is raised. the audience expects this level of authenticity. >> reporter: he's been hired to create a second "game of thrones" language that will be debuted next year. >> there's more deaths. there's tender moments, too. it's my favorite season so far. >> it's kind of a game changer because people switch on a head. >> reporter: and as a dothraki might say -- >> i'm david wright in hollywood. >>> next up, everyone lues a polar bear. find out why these creatures are fighting for their lives. ♪ ♪ if loving you is wrong ♪ i don't wanna be right [ record scratch ] what?! it's not bad for you. it just tastes that way. [ female announcer ] honey nut cheerios cereal -- heart-healthy, whole grain oats.