Gostya iz budushchego

6-grader Kolya Gerasimov discovers a time machine in a basement of an old house in Moscow and gets transferred into the 21st century. Accidentally, Kolya witnesses two space pirates who arrive from Saturn and later try to steal a device called a "Mielophone" (which can read thoughts) from Alisa Seleznyova. Kolya manages to save the device from the pirates and brings it back to the 20th century. But both pirates and Alisa get there too. (imdb)