The offer proposed by the theaters and cinemas in Luxembourg is multicuturelle, like Luxembourg.
Going out to the cinema
In Luxembourg, the films are available in original version with subtitles and/or translated into German and French, according to the expected audience. Check the session times and especially the versions of the film.
To see French films you will have more choices in Kinepolis of Thionville, and for German films it is better to go to Trier.
Going out to the theater
In Luxembourg, you will be able to attend national theater plays, written by local authors and played by Luxembourg actors. You can also book for theater or opera with international troops.