Visitors from the Galaxy / Gosti iz galaksije / Monstrum z galaxie Arkana (1981) Dušan Vukotić [commentary]

Robert is a SF writer, who realizes that he can make his thoughts material. Because of that, a group of aliens arrives to Earth. Their leader is Andra, who shows affection for Robert, which does not please his girlfriend, Biba. A monster, Mumu, has arrived together with the visitors from space.