They play dramas from different writers such as Carlo Goldoni, Eugène Ionesco and William Shakespeare also in Esperanto. Filmmakers sometimes use Esperanto in the background of films, for example in "The Great Dictator" by Charlie Chaplin, in the action film "Blade: Trinity" or in comedy sci-fi television series "Red Dwarf". Feature films in Esperanto are not very common, but there are about 15 feature films, which have Esperanto themes.