Topic of this paper is comparison of texts about Russian movies on Croatian, Serbo-Croatian and English versions of Wikipedia. The first part of the paper will present the following sections: an introductory part about the encyclopedia in general and its development, and the transition to digital encyclopedias, and then, the next chapter will be about Wikipedia in general and an important item that is closely related to it, which is one of its problems, and that is the reliability of Wikipedia. The development of Russian cinematography will also be briefly presented, as well as several significant Russian directors and several significant and popular Russian movies. In the following chapters it will also be presented several activities between libraries and Wikipedia, i.e. how libraries and Wikipedia can collaborate and in what ways they already collaborate. The research part of this paper will show the similarities and differences between Croatian and Serbo-Croatian Wikipedia with the English Wikipedia on selected Russian movies. The extensiveness of the articles about movies, the way in which articles are formatted in these versions of Wikipedia, whether there is a certain division into chapters or subchapters etc., will all be compared , which will be shown in the further parts of the paper. The sample is 60 Russian movies, i.e. 30 texts about Russian movies in Croatian and 30 texts in Serbo-Croatian Wikipedia on the basis of which a valid comparasion with the English version of Wikipedia will be possible. The aim of this paper is to show the similarities and differences of the Croatian, Serbo- Croatian and English Wikipedia in the field of presenting Russian movies and also to learn more about Russian movies and their cinematography. The purpose of this paper is the possibility of using the obtained results for further research and improving the quality of information about Russian movies on Wikipedia.