Game of Thrones
Game of Thrones was a television show on HBO that ran from 2011 to 2019. The show is based on a series of books collectively referred to as A Song of Ice and Fire written by George R. R. Martin. The show featured a number of created languages referred to and/or used in the books that were created by David J. Peterson. The languages that were created for the show (whether they were featured or not) are as follows:
A couple other language sketches were created for the show (among them Skroth and Asshai'i, but they never reached a stage of development that was worth showcasing.