Language creator David J. Peterson and his wife discuss developing the Fremen language for Dune: Part Two. They delve into the creative process of inventing fictional languages and the challenge of translating simple English phrases into the Chakobsa language from Dune novels. The episode also features interviews with other language creators, such as the inventor of Klingon and a language consultant for Star Trek: Discovery. Klingon Pop Warrior adds a fun twist to the discussion.