i don't know how to say thank you in dothraki. >> there is no word for thank you in dothraki. it is culture. and cultures reflect the language. and for the actors who have played dothrakis, his language was so well thought out, and he went so deep, that he ended up fleshing out dothraki culture in a way that went beyond the culture of the book. that helped them get their heads around what it meant to be a part of this culture. >> a lot of people will look at clingon as the first use in a film. but really it was the lord of the rings movies that was the watershed moment. this country was built by working people. the economy needs manufacturing. machines, tools, people making stuff. companies have to invest in making things. infrastructure, construction, production. we need it now more than ever. chevron's putting more than $8 billion dollars back in the u.s. economy this year. in pipes, cement, steel, jobs, energy. we need to get the wheels turning. i'm proud of that. making real things... for real. ...that make a real difference. ♪ actually it can. neutrogena® ultra sheer prov

>>> in seasons to come, danny and the dothraki, they are first and foremost her people. wherever she goes, they follow. there are other languages she comes across. >> we have other languages coming up on the show that are not dothraki. we're hoping david will do that for us as well. >> over on the westroads there's the old tongue, which you hear mentions of there. and across the northern sea there's the high valryian. really it's a neat thing that they did and populated the entire world with languages. even if they don't actually exist, it's not just a blanket of english. personally i would love to keep creating languages for project like the game of thrones, for tv shows, for movies. that's the dream to sit down and create a language. >> that dream is quickly becoming a reality. game of thrones is in the second season, and recently david fielded a call from another production team. this one from the sci-fi network. >> in late 2011 they were putting together a new show for the sci-fi network that was going to need a couple of invented languages. i looked at the initial s

he has a real gift for coming up with really vile things to say in dothraki in very creative ways. a mild mannered linguist by day. profanian dothraki warrior at night. >> i remember the first time that i heard a fan speak my language or try to speak my language. it was like -- it was just one of those moments where there are words that were so familiar to me, that especially i had only really heard in my own voice, and to hear somebody else pick them up and speak it live, it was a really surreal moment. almost as suddenly my brain had jumped around to somebody else and was speaking in somebody el else's voice. it's really a lot of fun. a created language can't really be appreciated as simply as something like a painting or a movie or a song where you can kind of sit down and get all of it. people are going to appreciate on different levels. but a creative language is kind of a large, all encompassing work. the online language creation community, we are a both a collection of artists, and also we are our own audience. at this point the numbers have just exploded. there's thousands