Are Elvish, Klingon, Dothraki and Na’vi real languages?

What do Game of Thrones’ Dothraki, Avatar’s Na’vi, Star Trek’s Klingon and LOTR’s Elvish have in common? They are all fantasy constructed languages, or conlangs. John McWhorter explains why these invented languages captivate fans long past the rolling credits

Lesson: John McWhorter
Animation: Enjoyanimation
Sound design: Werner Urban
Commissioner: Ted-ed